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Air Passenger Survey 1990 - San Francisco Bay Area











Air Passenger Survey 1990


San Francisco Bay Area


Written and Published by the
Planning Section

Metropolitan Transportation Commission
Joseph P. Bort MetroCenter
101 Eighth Street
Oakland, CA 94607-4700
510/464-7700

September 1991


The Metropolitan Transportation Commission (MTC) is a metropolitan
planning organization established pursuant to California Government
Code Section 66500 et. seq. (1970) to provide comprehensive
transportation planning for the nine Bay Area counties of Alameda,
Contra Costa, Marin, Napa, San Francisco.  San Mateo, Santa Clara,
Solano and Sonoma.

Policy direction is provided by 19 Commissioners.  Fourteen members
are appointed directly by locally elected officials. two members
represent other regional agencies (the Association of Bay Area
Governments and the Bay Conservation & Development Commission), two
represent Federal government agencies (Department of Transportation
and Department of Housing and Urban Development), and one non-
voting member represents the California Department of
Transportation.

2




                 REGIONAL AIRPORT PLANNING COMMITTEE


The 1990 Air Passenger Survey was conducted under the auspices of
the Regional Airport Planning Committee( RAPC).  RAPC advises the
Association of Bay Area Governments (ABAG) and the Metropolitan
Transportation Commission's (MTC) on aviation matters and prepares
the Regional Airport Plan for the nine-county San Francisco Bay
Area.


Sam Caddle          - Chair RAPC
                    - ABAG Commissioner

Jane Baker          - City of San Mateo
                    - MTC Commissioner

Nancy Benjamin      - California Department of Transportation
                         Division of Aeronautics                    
                                                               
John Dustin         - Bay Conservation and Development Commission
  
Arnold Feener       - San Francisco International Airport
 
Cary Greene         - San Jose International Airport

David Karp          - Mayor, City of San Leandro
                    - MTC Commissioner

Fred Negri          - Napa County Board of Supervisors
                    - MTC Commissioner

John Pfiefer        - Federal Aviation Administration

Angelo Siracusa     - Bay Area Council
                    - MTC Commissioner

James Spering       - Suisun City
                    - MTC Commissioner

John Glover         - Port of Oakland

Hal Wight           - Buchanan Field, Concord
                    - Represents Bay Area Airport Managers


3


MTC STAFF



Lawrence D. Dahms        - MTC Executive Director


William F. Hein          - MTC Deputy Executive Director


Chris Brittle            - MTC Manager of Planning


Marc Roddin              - MTC Staff Liaison
                         - Air Passenger Survey Project Manager

Shirley Rodenborn        - Data Analysis


Chase Stockon            - Planning Intern


James Cunradi            - Planning Intern



4

     
TABLE OF CONTENTS 
                                                                PAGE
  
I.   INTRODUCTION                                                  9
II.  SURVEY METHODOLOGY10
III. SUMMARY AND FINDINGS                                         17

IV.  TABLES

               1. AIR TRAFFIC GROWTH TRENDS

     TABLE 1.1      SAN FRANCISCO BAY AREA AIR TRAFFIC GROWTH
                    TRENDS 1980 - 1990                            23

     TABLE 1.2 SAN FRANCISCO BAY AREA AIR TRAFFIC GROWTH 1975 -
               1990                                               24


               2. ORIGINS OF AIR PARTIES

     TABLE 2.1 TRENDS IN AIRPORT USE BY COUNTY OF ORIGIN 1980 -
               1990                                               25
     TABLE 2.2 COUNTY OF ORIGIN BY AIR PARTY RESIDENCE STATUS     26
     TABLE 2.3 ORIGINS OF AIR PARTIES BY COUNTY 1975 - 1990       27
     TABLE 2.4 ORIGINS OF RESIDENTS AND NON-RESIDENTS BY AIRPORT  28
     TABLE 2.5 RESIDENCE STATUS OF AIR PARTIES BY COUNTY OF 
               ORIGIN                                             29
     TABLE 2.6 COUNTY OF RESIDENCE VERSUS COUNTY LEFT FOR AIRPORT 30
     TABLE 2.7 ORIGINS OF AIR PARTIES ADJUSTED BY AIR PARTY SIZE
               1980 - 1990                                        31
     TABLE 2.8 COUNTY OF ORIGIN BY TYPE OF LOCATION LEFT FOR
               AIRPORT                                            32
     TABLE 2.9 TYPE OF LOCATION AIR PARTY LEFT FOR AIRPORT        33
     TABLE 2.10 ORIGINS OF AIR PARTIES BY AIRPORT AND FIGHT
                DESTINATION                                       35

     TABLES 2.11a-j ORIGINS OF AIR PARTIES FOR CITIES WITHIN BAY
                    AREA COUNTIES
1980-1990

     TABLE 2.11a    ALAMEDA COUNTY                                35
     TABLE 2.11b    CONTRA COSTA COUNTY                           36
     TABLE 2.11c    MARIN COUNTY                                  37
     TABLE 2.11d    NAPA COUNTY                                   38
     TABLE 2.11e    SAN FRANCISCO COUNTY                          39
     TABLE 2.11f    SAN MATEO COUNTY                              40
     TABLE 2.11g    SANTA CLARA COUNTY                            41
     TABLE 2.11h    SOLANO COUNTY                                 42
     TABLE 2.11i    SONOMA COUNTY                                 43
     TABLE 2.11j    OUT OF REGION                                 44

     TABLE 2.12     COUNTY OF ORIGIN (FOR NORTHERN CALIFORNIA)    45
     FIGURE 2.1     COUNTY OF ORIGIN 1980 - 1990                  46

5


TABLE OF CONTENTS


IV.  TABLES                                                     PAGE

               3. GROUND TRANSPORTATION

     TABLE 3.1 GROUND TRANSPORTATION BY RESIDENCE AND 
               TRIP PURPOSE                                       47
     TABLE 3.2 GROUND TRANSPORTATION MODE BY AIRPORT              48
     TABLE 3.3 GROUND TRANSPORTATION BY RESIDENCE STATUS          49
     TABLE 3.4 TRENDS IN GROUND TRANSPORTATION MODE SHARES 1975 -
               1990 SAN FRANCISCO INTERNATIONAL AIRPORT           50
     TABLE 3.5 TRENDS IN GROUND TRANSPORTATION MODE SHARES 1975 -
               1990 OAKLAND INTERNATIONAL AIRPORT                 51
     TABLE 3.6 TRENDS IN GROUND TRANSPORTATION MODE SHARES 1975 -
               1990 SAN JOSE INTERNATIONAL AIRPORT                52
     TABLE 3.7 GROUND TRANSPORTATION MODE SHARE BY COUNTY OF ORIGIN
               SAN FRANCISCO INTERNATIONAL AIRPORT                53
     TABLE 3.8 GROUND TRANSPORTATION MODE SHARE BY COUNTY OF ORIGIN
               OAKLAND INTERNATIONAL AIRPORT                      54
     TABLE 3.9 GROUND TRANSPORTATION MODE SHARE BY COUNTY OF ORIGIN
               SAN JOSE INTERNATIONAL AIRPORT                     55
     TABLE 3.10 GROUND TRANSPORTATION MODE CHOICE BY INCOME       56
     TABLE 3.11 GROUND TRANSPORTATION MODE CHOICE BY AGE          57
     TABLE 3.12 MEANS BY WHICH AIR PARTIES REACHED TRANSIT 
                SERVICE                                           58
     TABLE 3.13 AIR PARTY SIZE LUGGAGE AND ACCOMPANIERS BY GROUND
                TRANSPORTATION MODE                               59
     TABLE 3.14 GROUND TRANSPORTATION MODE BY FLIGHT DESTINATION  60
     TABLE 3.15 GROUND TRANSPORTATION MODE BY TYPE OF LOCATION FROM
                WHICH AIR PARTY LEFT FOR AIRPORT                  61
     FIGURE 3.1 GROUND TRANSPORTATION MODE SHARE FOR ALL BAY AREA
                AIRPORTS                                          62

          4. PARKING

     TABLE 4.1 WHERE CARS ARE PARKED AT BAY AREA AIRPORTS         63
     TABLE 4.2 FOR AIR PARTIES DRIVING TO THE AIRPORT, WERE CARS
               PARKED AT THE AIRPORT OR DRIVEN AWAY BY OTHERS
               1985 -1990                                         64
     TABLE 4.3 PARKING SEQUENCE OF AIR PARTIES USING PRIVATE CARS
               FOR THEIR TRIP TO THE AIRPORT 1985 - 1990          65

6


                    TABLE OF CONTENTS

IV.  TABLES                                                     PAGE

          5. TRIP PURPOSE

     TABLE 5.1 TRIP PURPOSE BY AIRPORT                            66
     TABLE 5.2 TRIP PURPOSE BY COUNTY OF ORIGIN (General
               Categories)                                        67
     TABLE 5.3 TRIP PURPOSE BY COUNTY OF ORIGIN                   68
     TABLE 5.4 TRIP PURPOSE BY INCOME                             69
     TABLE 5.5 TRIP PURPOSE BY AGE                                70

          6. REASONS FOR CHOOSING AIRPORT

     TABLE 6.1 REASONS GIVEN FOR SELECTING AIRPORT BY FIGHT
               DESTINATION                                        71
     TABLE 6.2 REASONS GIVEN FOR SELECTING AIRPORT BY AGE         72
     TABLE 6.3 REASONS GIVEN FOR SELECTING AIRPORT INCOME
               SAN FRANCISCO INTERNATIONAL AIRPORT                73
     TABLE 6.4 REASONS GIVEN FOR SELECTING AIRPORT INCOME
               OAKLAND INTERNATIONAL AIRPORT                      74
     TABLE 6.5 REASONS GIVEN FOR SELECTING AIRPORT INCOME
               SAN JOSE INTERNATIONAL AIRPORT                     75

          7.AIRPORT  ARRIVAL TlMES

     TABLE 7.1 AVERAGE AIRPORT ARRIVAL TIMES PRIOR TO FLIGHT
               BY FLIGHT DESTINATION                              76
     TABLE 7.2 AVERAGE AIRPORT ARRIVAL TIMES PRIOR TO FLIGHT
               BY GROUND TRANSPORTATION MODE FOR EACH AIRPORT     77
     TABLE 7.3 AVERAGE AIRPORT ARRIVAL TIMES PRIOR TO FLIGHT
               BY GROUND TRANSPORTATION AND TRIP PURPOSE          78


          8. FREQUENCY OF FLYING, TRIP DURATION AND AIR PARTY
DEMOGRAPHICS

     TABLE 8.1 FREQUENCY OF FLYING FOR AIR PARTIES BY COUNTY OF
               RESIDENCES                                         79
     TABLE 8.2 TRIP DURATION BY RESIDENCE STATUS AND TRIP PURPOSE 80
     TABLE 8.3 INCOME BY COUNTY OF RESIDENCE                      82
     TABLE 8.4 RESIDENCE STATUS OF AIR PARTIES BY AIRPORT         83
     TABLE 8.5 AIR PARTY SIZE, LUGGAGE AND ACCOMPANIERS BY AIRPORT84

7



                          TABLE OF CONTENTS

     TABLES                                                     PAGE

          9. FLIGHT DESTINATIONS
     TABLE 9.1 FLIGHT DESTINATIONS BY COUNTY OF ORIGIN            85
     TABLE 9.2 FLIGHT DESTINATIONS FOR INTRA-CALFORNIA AIR 
               TRAVELERS                                          86

     APPENDICES

     APPENDIX 1     DEFINITIONS                                   87
     APPENDIX 2     SURVEY INSTRUMENT                             88
     APPENDIX 3     INTERVIEWER PROMPT CARDS                      89





8
 
- PART I -




- INTRODUCTION -




    

This report presents the findings of the 1990  Air Passenger Survey
performed by the Metropolitan Transportation Commission (MTC) with
the cooperation of the three major San Francisco Bay Area
commercial airports, San Francisco International Airport (SFO), San
Jose International Airport (SJC) and Oakland International Airport
(OAK).    The survey is conducted every five years to provide up-
to-date information on the origins of air parties; the type of
transportation used to get to the airport; reasons for choosing a
particular airport; and on the characteristics of air travelers
such as air party size, amount of luggage, number of well wishers,
and the times air parties arrive at the airport prior to their
flights.

The Air Passenger Survey is used for long-range airport  planning,
for marketing airports and travel services, for media and public
information, and to improve ground transportation to Bay Area
airports.

The following report contains a summary of major survey findings,
an explanation of survey sample methodology, and a series of tables
presenting much of the information gathered from the survey. For
individuals and agencies in need of information not contained in
this report, data diskettes in ASCII format are available for
licensing from MTC.

9



 - PART II -




- SURVEY METHODOLOGY -



SURVEY DATES

This portion of the report explains how the 1990 Air Passenger Survey
was designed and implemented and provides information useful for.
interpreting the survey results.

The 1990 Air Passenger Survey was conducted in seven 12-hour days from
August 13 through August 19 at San Francisco, Oakland and San Jose
Airports.


CHANGES FROM PRIOR SURVEYS


The format of the 1990 Air Passenger Survey has been altered slightly
from previous years to present a more logical sequence of questions. 
The changes make interviews more comfortable for respondents and
facilitate data entry.  The changes will not materially effect the
outcome of the survey nor preclude the ability to compare most of the
survey results with reports from prior years. The use of a much larger
sample size in the 1990 survey than in past years will allow slightly
more reliable analysis of questions that require a high degree of
precision such as air party origins and ground transportation mode
choice.

In addition, the 1990 Air Passenger Survey report contains several
elements not included in prior reports.

For example, new in this year's report are several tables which
describe the reasons why air parties chose the airport from which
their flight left and how many times each air party used Bay Area
airports. In addition, this report carries a breakdown of ground
transportation mode choice by such demographic factors as the income
and age of the respondent.

Where practical, the 1990 Air Passenger Survey tries to provide
information from several years' survey results in single tables to
allow ready comparisons with prior years.

One element not included in this year's survey is information on
connecting passengers. In past surveys, respondents were asked midway
through the interview whether or not their party were connecting
passengers.  Interviews in which respondents indicated that they were
connecting or through passengers were then terminated.  Since   
interviews with connecting and through passengers were substantially
shorter than interviews with departing passengers, they tended to be
systematically over-sampled.  Consequently, in the past, interviewers
spent . an inordinate time interviewing respondents outside the target
population of air parties arriving at the airport by ground
transportation.


10


   


In addition, for the 1990 survey, respondents were asked at the outset
of the interview whether or not they were connecting or through
passengers, and affirmative response terminated the interview. This
change greatly increased the efficiency of interviews but makes it
impossible to tabulate information about connecting and through
passengers.

SURVEY METHOD

The survey was administered using in-person interviews of departing
passengers waiting in passenger boarding areas.  Only passengers
waiting to board planes were interviewed.  Within boarding areas, air
parties were selected at random and one interview was conducted per
boarding air party. Ninety interviewers were dispatched to cover over
1400 departing flights.

To ensure that the survey samples were representative of actual travel
patterns, an effort was made to interview a sub-sample of air parties
from each departing flight, for different times of day and for all
seven days of the week.

Finally, to reduce the likelihood of data coding errors, each
interviewer was responsible for post-coding airline flight, airport
destination, county of origin and city of residence at the end of his
or her shift. This information was  then checked for legibility and
accuracy by a supervisor that same day.   Two supervisors per shift
were assigned to each airport by J.D Franz Research, the primary
consultant for the project.

11





SURVEY DESIGN AND SAMPLE SIZE

The 1990 Air Passenger Survey is designed to provide an accurate
representation of Bay Area air passenger characteristics and their
travel behavior to the airport.

In general, the sample size is dependent on the desired "confidence
level" and the "margin of error" of the survey results.  For the
regional sample, a confidence level of 99 percent was chosen. For each
airport, the margin of error for the sample is less than 2 percent of
the true values for survey responses. For the region as a whole, the
margin of error is less than I percent.  The actual sample sizes for
each airport for 1985 and 1990 are given below.

SURVEY SAMPLE SIZE

                                             1985      1990
SAN FRANCISCO INTERNATIONAL AIRPORT          4,399     5,878
OAKLAND INTERNATIONAL AIRPORT                1,583     7,895
SAN JOSE INTERNATIONAL AIRPORT               4,557     6,926
            TOTAL                            10,539    20,699

WEIGHING PROCEDURE

While care was taken to collect a representative sample of air
travelers, certain fundamental characteristics of air traffic
precluded use of the sample results as a direct measure of air
travel behavior. Since airports exhibit periods of peak usage and
periods of relatively low travel activity, but survey workers can
generally conduct interviews at the same rate regardless of how
crowded the airport is, there will be a tendency to under-sample
during busy times of the day and over-sample during quiet periods.

Similarly, the tendency to over-sample and under-sample also
applies to interviews conducted in departure lounges served by
different size aircraft or serving different destinations. For
example, a single team of interviewers will under-sample air
parties boarding large jet aircraft bound for domestic and
international destinations due to the large number of passengers
waiting in the boarding areas. Conversely, air parties boarding
smaller aircraft bound for


12




Figure 1
Interviews at Bay Area Airports
20,699 Surveys Administered




13


  


smaller airports within California will be over-sampled due to the
small number of waiting passengers in the departure lounge.

To compensate for over-sampling and under-sampling, a system of
"weighted" responses was used to make the sample proportions by
destination, aircraft type, time of day and day of week reflect actual
use patterns gathered from airline schedules in the Official Airline
Guide.

The entire sample was also weighted by each airport's share of the
region's air traffic distributions. Figure I shows the end result of
the sample weighing procedures.  The total weighted responses
corresponds to the total number of air travelers using Bay Area
airports during the week of the survey.  Unless otherwise noted, all
the tables contained in this report use weighted responses.

Neither of these weighing procedures effects the answers given by
respondents.The weighing procedure is only used to make the sample.
proportions of air parties with different characteristics and
different travel behaviors mirror their proportions found in the
actual population of air travelers.


                                        14


FOREIGN LANGUAGE INTERVIEWS

To ensure that no biases were introduced into the interview Process
through the exclusion of non-English speakers, prevalent on
international flights, an effort was made to recruit. interviewers
with foreign language proficiency.

The following table gives a breakdown of interviewer language skills
at each airport.  The total number of interviewers will be less that
those proficient in each language since some interviewers were fluent
in more than one language other than English.  The use of multilingual
interviewers is a departure from previous surveys and enables survey
workers to sample air parties on every international flight.

               Language            SFO       OAK       SJC

TOTAL INTERVIEWERS                 25        25        40

English Only                       18        19        30

Spanish                             4         4         6

German                              4         1         -

French                              1         2         2

Russian                             1         1         -

S. Pacific Languages                1         -         -

Greek                               -         1         1

Italian                             -         1         -

Armenian                            -         -         1

Cantonese                           -         -         1

Tagalog                             -         -         1

Vietnamese                          -         -         1


15


SURVEY MANAGEMENT


Survey management tasks were divided between MTC and its
consultants.  The Metropolitan Transportation Commission was
responsible for managing the survey and for coordination between
its consultants and the three Bay Area airports.    MTC staff also
designed the survey questionnaire, developed daily flight interview
schedules and produced the final report.

San Francisco International Airport, Oakland International Airport
and San Jose International Airport each helped finance the survey.

J.D. Franz Research evaluated the sample size, pretested the
survey, conducted interviewer recruitment, training and
supervision, supplied survey administration, and provided a clean
set of computer-ready data to MTC for further analysis.

Air party origins and census tract information were coded by E. H.
White & Company.


REMARKS ON USE OF THE 1990 AIR PASSENGER SURVEY


     Use of the information in this survey requires some knowledge
of its limitations.  For instance, the month of August has a higher
proportion of vacation travel than other months and therefore is
not necessarily a representative month of air travel.   Also,
airport ground transportation information is based on air parties'
mode of, travel to the airport for a departing flight.
Transportation choices may be different for air parties arriving on
incoming flights.

     The figures given in some tables may be less reliable than
others depending on the number of options and the number of
respondents.  For example, tables 3.7 3.8 and 3.9 show all ground
transportation modes by county of origin; these will not be as
reliable than a similar table using more general categories.  This
is due to the small number of respondents that actually meet
relatively narrow criteria such as the percent of air parties using
a particular company's airport bus service, living in Solano County
and using Oakland Airport.

     Similarly, for air party origins, data at the county level and
for larger cities will be very accurate.  For tables that examine
origins for smaller towns and cities in the region or counties
outside the Bay Area, there will be less reliability.  Again,
tables with a great level of detail, with many categories or with a
small number of respondents should be used with caution.  Data
users that require more detailed analysis -than that presented in
this report may license the data from MTC for use on their own
computers.  Write to Marc Roddin for rate inquiries.



16



- PART III -








- SUMMARY AND FINDINGS -






This part of the report summarizes some findings of the 1990 Air
Passenger Survey.  For a more complete picture of Bay Area air
travelers, Part IV presents the survey results in predominantly
table format with several select charts.

1. AIR TRAFFIC GROWTH TRENDS

Since 1980, air travel in the San Francisco Bay Area has grown by
close to 14 million trips per year.  San Francisco International
Airport (SFO) continues to be the largest airport in the region,
claiming the largest share of the region's continuing growth in air
travel.  In the last decade, SFO's passenger traffic has grown by
31.1 percent, over half the region's overall growth.  San Jose and
Oakland airports, while accounting for a smaller portion of the
region's air traffic, experience much faster growth rates.  Oakland
International Airports passenger traffic grew by 107.9 percent in
the last decade and San Jose International Airport grew by 111.4
percent. Air travel in the region, grew by 47.3 percent, with over
42 million air passengers using Bay Area airports in 1990.

2. ORIGINS OF AIR PARTIES

ORIGINS OF AIR PARTIES IN THE BAY AREA

San Francisco International Airport remains the region's dominant
commercial airport, claiming 70.6 percent of the Bay Area's air
travelers.  For some counties (Marin, San Francisco and San Mateo),
SFO's market share is over 90 percent.  SFO currently claims
significant shares of air travelers from Alameda County (46.7%) and
Santa Clara County (40.5%), both of which are home to major
commercial airports.

San Jose Airport attracts a majority of air travelers in Santa
Clara County (57.5%) and a significant number of out-of-region
travelers (35.5%) mostly from Santa Cruz, Stanislaus and Monterey
Counties. To the north, San Jose Airport's market does not extend
much beyond Santa Clara County, and Southern Alameda County (7.4%).

For all three major commercial airports, San Francisco is the
largest source for trip origins for business (28.8%) and non-
business travelers (27.6%). Santa Clara County, with its growing
concentration of employment, now accounts for 25.9 percent of
business trip origins.


17




OUT-OF-REGION ORIGINS
     Air parties whose trip to the airport originated outside the
Bay Area, predominantly from counties adjacent to the nine
contiguous counties, are termed "Out-of-Region" origins.  This term
refers only to air parties who arrive at the airport from counties
outside the nine-county Bay Area by ground transportation, not
those who fly into the airport from outside the region.  Most air
parties from outside the Bay Area that use the region's airports
originate from Santa Cruz, Stanislaus, San Joaquin and Monterey
Counties.  The share of all airport users from outside the region
has declined from 7 percent in 1980 to only 2.4 percent in 1990.

     In addition, the distribution of these air travelers among the
three Bay Area airports has also shifted with the share using SFO
declining steadily for the last decade.  In 1980, SFO attracted 78
percent of air parties originating outside the Bay Area the out-of-
region air parties.  In 1990, SFO's share has' dropped to 46
percent.  San Jose International Airport, during the same period
has doubled its share of out-of-region air parties, up from 18
percent in 1980 to 35.5 percent in 1990.  Oakland International
Airport has seen its share of out-of-region air parties more than
quadruple from 4 percent in 1980 to over 18 percent in 1990.  Most
of Oakland's growth in out-of-region air party originations have
been from neighboring Stanislaus and San Joaquin Counties.  These
two Central Valley counties have seen rapid growth in population in
recent years.  The nearest large airports serving these burgeoning
counties are in Sacramento and Oakland.

3. TRENDS IN GROUND TRANSPORTATION MODE CHOICE

PRIVATE AUTOMOBILE
     The private automobile is the most common form of ground
transportation used by users of Bay Area airports, accounting for
half of all trips to the airport.  SFO has the lowest rate with 46
percent of air parties choosing private cars.  OAK and SJC have
automobile mode shares of 69 percent and 66 percent, respectively.

TRANSIT
     Scheduled public transit, chiefly bus service provided by AC
Transit, SamTrans and Santa Clara County Transit, has the second'
lowest  mode share in the region, just slightly ahead of charter
and tour buses.  Public bus service currently claims I percent of
all trips to Bay Area airports.        A notable exception is
AirBART, express minibuses which link BART's Coliseum Station with
Oakland International Airport.  AirBART serves about 4 percent of
Oakiand's air travelers, down slightly from its peak in 1980 at 6.5
percent.

18






 GROUND TRANSPORTATION AND AIR PARTY CHARACTERISTICS People of
different economic means and different ages make different
transportation choices for their trips to the 'airport.  The
percentage using private cars declines steadily from 63 percent for
respondents with total household incomes less than $12,000 to about
46 percent for households making over $100,000 annually.  Rental
car mode share by income exhibits the opposite trend--the higher
the income group of the respondents, the higher the rate of rental
car use.


4. TRENDS IN AIRPORT PARKING AND CONGESTION

     The survey shows that More air parties drop off passengers at
the curb before parking their cars.  It also shows high numbers of
air parties being dropped off at the curb by others. Both are
responsible for growing surface congestion at Bay Area airports.

     Since 1985, the number of respondents parking their vehicles
for the entire duration of their trip has decreased at all Bay Area
airports.  San Francisco Airport showed the largest drop from 25.6
percent in 1985 to 18.6 percent in 1990.    In addition, the
portion of passengers that are dropped off at the curb and the
vehicle is driven away by others fell slightly at SFO but increased
At Oakland and San Jose airports.  However, the portions of air
parties that drop off passengers at the curb first and then park
'their vehicle has nearly doubled at SFO from 33 percent in 1985 to
58.7 percent in 1990.  At San Jose Airport, this portion increased
from 30.8 percent in 1985 to 56.8 percent in 1990. These trends
have created much more traffic on terminal approach roads and
increased surface congestion.


5. TRIP PURPOSE

     This section examines the trip purposes of Bay Area air
travelers. Santa Clara County has the highest portion of business-
related travel, with 42.6 percent of total trips.  San Francisco
has the second highest portion at 36.4 percent.

     Most frequently  represented in business travel are those
household earning over $100,000  annually.For non-business travel,
households earning between $50,000 and $75,000 annually are most
frequently represented.


19





6. REASONS GIVEN FOR AIRPORT CHOICE

     The five tables in this section analyze the reasons why air
parties choose a particular Bay Area airport by their destination,
the age of the respondent and by the air party's household income.

     The most commonly cited determinant of airport choice,
regardless of air party characteristics, was closeness to
residence, hotel or business.  This is especially true for air
parties with California destinations and for travelers under 19
years old or over 65 years old.

     Cheaper, more convenient parking was given as the main reason
for choosing the airport by the fewest number of people
interviewed. This is true when respondents, are divided by age,
income and destination.  Less than one percent of respondents cite
parking as the main consideration in airport choice.  A notable
exception are intra-California travelers using Oakland Airport. For
this group, 3.8 percent listed parking cost and convenience as the
main reason for choosing Oakland Airport.

     San Jose International Airport users overwhelmingly cited
closeness to home, hotel and office as the main reason for choosing
the airport.  The majority of trip origins bound for SJC are from
Santa Clara County, the airport's primary market.  San Francisco
and Oakland airports, conversely, have a greater portion of
respondents citing service competition as their main reasons for
choosing one of the two airports.  For example, nearly one fourth
of respondents at SFO cited the availability of direct flights to
their destination as the primary reason for choosing that airport. 
At Oakland Airport, a similar portion Of respondents cited lower
airline fares as the dominant factor influencing their airport
choice.


7. ARRIVAL TIMES PRIOR TO FLIGHT

     For all Bay Area airports, the private car allows respondents
the shortest wait times between arrival at the airport and flight
departure. Air parties using private cars for their trip to the
airport, arrived about 70 minutes before the respondent's scheduled
departure. Luxury limousine and taxi service delivered air parties
approximately 77 minutes before the respondent's flight.

     Respondents who took scheduled public transit, airport express
buses and other transit services to the airport, arrive about 88
minutes before their flight leaves.  Public transit at Oakland
Airport, however, allows later arrivals



20

   


  for departing air parties.  Respondents using transit to get to
Oakland Airport arrived an average of 62 minutes before their flight. 
Respondents using private cars, by comparison, enjoy only a two minute
advantage, arriving about 60 minutes before their flight departure. 
    Respondents at SFO using virtually all ground transportation modes
arrived at the airport earlier than respondents at OAK and SJC.

     Business travelers using Bay Area airports show a consistent
tendency, regardless of ground transportation mode, to arrive slightly
later than nonbusiness travelers.  This may be due to a greater
frequency of flying by business travelers, and hence a greater
understanding of schedules and expected process times and fewer pieces
of checked luggage.


8.   FREQUENCY OF FLYING, TRIP DURATION AND AIR PARTY
     DEMOGRAPHICS

     Most users of San Francisco and San Jose airports are visitors
from outside the Bay Area.  At San Francisco Airport and San Jose
airports 61.9 percent and 52 percent were non-residents, respectively. 
Only Oakland Airport ha d mostly Bay Area residents as its primary
patrons (51%).

     Marin County and Contra Costa County residents were the most
frequent air travelers making an average 11.8 trips and 11.3 yearly
trips respectively.  Naja County residents used Bay Area Airports the
least, making 5.0 trips per year.  Bay Area residents in general made
6.1 trips per year from San Francisco Airport, 1.6 trips from Oakland
Airport and 1.9 trips from San Jose Airport.

     For most trip purposes, Bay Area residents take longer trips than
nonresidents.  An average Bay Area resident stays 8.9 nights away from
the region and an average non-resident stays 7.6 nights in the Bay
Area.


21




9. FLIGHT DESTINATIONS

CALIFORNIA DESTINATIONS
     For air parties with California destinations, Los Angeles not
surprisingly,
     is the destination of the most Bay Area air travelers (44.1%).
San Diego is the second most frequent California destination,
attracting 17.1 percent of intrastate air travelers. Other Los
Angeles-area airports account for the top 6 intra-California
destinations (Burbank 12.4%, Santa Ana 10.2%, Ontario 8.2% and Long
Beach 4.8 percent).



22




- PART IV -



- TABLES -




-PART IV-
- SECTION I -






 - AIR TRAFFIC GROWTH TRENDS -




TABLE 1.1


SAN FRANCISCO BAY AREA
AIR TRAFFIC GROWTH TRENDS
1980 -1990

Enplaning and DePLaning Air Passengers



          SAN FRANCISCO  OAKLAND        SAN JOSE       ALL
          INTERNATIONAL  INTERNATIONAL  INTERNATIONAL  BAY AREA
YEAR      AIRPORT        AIRPORT        AIRPORT        AIRPORT

1980      22,660,090     2,530,390      3,354,230      28,544,710
1981      20,381,370     2,451,050      2,726,790      25,559,210
1982      20,813,050     2,773,380      2,940,480      26,526,910
1983      22,317,790     2,944,500      3,438,640      28,700,930
1984      24,321,670     3,287,490      3,798,670      31,407,830
1985      24,700,580     4,205,070      4,413,770      33,319,420
1986      27,257,780     3,892,870      5,625,800      36,776,450
1987      29,557,000     3,936,570      5,680,210      39,173,780
1988      30,136,242     3,897,774      5,715,759      39,749,775
1989      30,306,109     3,987,460      6,365,314      40,658,883
1990      29,708,779     5,261,164      7,090,268      42,060,211

 1980 - 1990
PERCENT GROWTH 31.1%     107.9%          111.4%          47.3%



23







24




- PART IV -
- SECTION 2 -


- ORIGINS OF AIR PARTIES -









25








26



27






28



                              TABLE 2.5


RESIDENCE STATUS OF AIR PARTIES
BY COUNTY OF ORIGIN

RESIDENCE STATUS



               RESIDENT OF    RESIDENT OF
COUNTY OF      COUNTY OF      OTHER BAY AREA
ORIGIN         ORIGIN           COUNTY         NON-RESIDENT   TOTAL

ALAMEDA         46.5%              4.0%           49.6%      
100.0%
CONTRA COSTA    50.6%              3.9%           45.5%      
100.0%    
MARIN           44.1%              9.3%           46.6%      
100.0%
NAPA            22.3%              0.8%           76.9%      
100.0%
SAN FRANCISCO   24.7%              4.0%           71.3%      
100.0%
SAN MATEO       33.5%              8.2%           58.2%      
100.0%
SANTA CLARA     44.2%              3.3%           52.5%      
100.0%
SOLANO          46.6%              3.5%           49.9%      
100.0%
SONOMA          51.7%              0.8%           47.4%      
100.0%


29




30




 
31






32




                                   TABLE 2.9

                  TYPE OF LOCATION AIR PARTY LEFT FOR AIRPORT

                              SAN                 SAN
TYPE OF LOCATION AIR          FRANCISCO      OAKLAND   JOSE      BAY
PARTY LEFT FOR AIRPORT          (SFO)          (OAK)   (SJC)     AREA

AIR PARTY'S OWN HOME               33.0%       43.9%   40.2%     39.7%     
HOME OF A FRIEND OR RELATIVE       22.8%       25.7%   21.8%     23.6%     
AIR PARTY'S OWN PLACE OF WORK       5.3%        7.3%   11.6%      8.2%
OTHER BUSINESS                      4.1%        7.9%    8.4%      7.0%
HOTEL/MOTEL                        31.2%       12.7%   15.3%     18.6%
OTHER                               3.6%        2.5%    2.7%      2.9%

          TOTAL                    100.0%      100.0%  100.0%    100.0%

33




34


               


TABLE 2.11a


ORIGINS OF AIR PARTIES FOR CITIES
IN BAY AREA COUNTIES 1980 - 1990

ALAMEDA COUNTY

                                   PERCENT OF AIR PARTIES

CITY OF ORIGIN                1980      1985      1990

Alameda                        4.7%      4.6%      7.3%
Albany                         1.7%      1.6%      1.8%
Berkeley                      19.9%     18.4%     15.9%
Castro Valley                  2.7%      1.4%      2.0%
Dublin                         0.8%      1.7%      1.3%
Emeryville                     0.0%      1.0%      1.4%
Fremont                        9.3%      9.8%     11.8%
Hayward                        5.9%      9.2%      6.7%
Livermore                      5.5%      4.6%      2.0%
Montclair                      0.1%      0.1%       -
Newark                         1.4%      1.7%      2.0%
Oakland                       30.8%     30.1%     22.9%
Piedmont                       0.7%      1.8%      1.1%
Pleasanton                     4.3%      3.9%      4.5%
San Leandro                    5.2%      4.8%      3.9%
San Lorenzo                    0.8%      1.1%      1.1%
Sunol                          0.1%       -         -
Union City                     3.2%      1.7%      2.8%


Other Alameda County           2.5%      2.4%     11.7%

     TOTAL                  100.0%      100.0%    100.0%

Other Alameda County


35




TABLE 2.11b
ORIGINS OF AIR PARTIES FOR CITIES
IN BAY AREA COUNTIES 1980 - 1990
CONTRA COSTA COUNTY



                                   PERCENT OF AIR PARTIES

     CITY OF ORIGIN           1980      1985      1990

Alamo                          2.5%      1.6%      1.4%
Antioch                        4.6%      2.4%      2.8%
Brentwood                      0.8%       -        0.3%
Bryon                            -       0.1%       -  
Clayton                        0.9%      1.6%      0.7%
Concord                       15.7%     16.0%     12.0%
Crockett                       0.4%      0.4%       -  
Danville                       6.1%      8.5%      4.6%
El Cerrito                     1.5%      4.8%      4.1%
El Sobrante                    2.0%      1.6%      0.1%
Hercules                       0.5%      0.8%      0.6%
Kensington                     0.5%      0.3%       -  
Lafayette                      4.8%      5.2%      4.2%
Martinez                       4.3%      2.6%      4.7%
Moraga                         6.3%      4.1%      4.1%
Mt. Diablo                     0.1%      0.3%        -  
Oakley                           -       0.1%      0.2%
Orinda                         3.7%      5.0%      4.0%
Pinole                         2.8%      0.6%      2.2%
Pittsburg                      1.7%      2.3%      3.0%
Pleasant Hill                  5.9%      3.5%      7.1%
Richmond                       8.0%      7.8%      9.1%
Rodeo                          0.5%      0.7%      0.5%
San Pablo                      1.7%      1.6%      1.6%
San Ramon                      5.9%      8.3%      9.5%
Walnut Creek                  18.8%     20.8%     14.0%


Other Contra Costa County        -        -         9.5%

     TOTAL                  100.0%      100.0%    100.0%

Other Alameda County

36



TABLE 2.11c

ORIGINS OF AIR PARTIES FOR CITIES
IN BAY AREA COUNTIES 1980 - 1990

MARIN COUNTY


                                   PERCENT OF AIR PARTIES
     CITY OF ORIGIN           1980      1985      1990

Belvedere                      1.3%      0.5%      1.5%
Corte Madera                   4.3%      2.8%      2.7%
Fairfax                        1.6%      0.5%      1.8%
Forest Knolls                    -       0.7%       -  
Greenbrae                      3.6%      1.4%       -  
Ignacio                        1.1%      0.2%       -  
Inverness                        -       0.2%       -  
Kentfield                      2.1%      4.9%       -  
Larkspur                       0.7%      2.8%      8.6%
Marin City                     1.3%      3.1%       -  
Marinwood                        -       0.5%       -  
Mill Valley                   12.1%     13.6%     10.1%
Muir Woods                      -        0.7%       -  
Nicasio                         -        0.9%       -  
Novato                        10.6%     13.9%      9.8%
Olema                           -        0.5%       -  
Ross                           3.4%      2.6%      1.0%
San Anselmo                    5.8%      5.4%      5.0%
San Rafael                    27.5%     28.8%     19.2%
Sausalito                     12.0%     10.4%     24.5%
Sleepy Hollow                  1.2%       -         -  
Stinson Beach                   -        0.5%       -  
Tiburon                        9.1%      4.9%      6.8%
Woodacre                       0.8%      0.2%       - 


Other Marin County               -        -         9.2%

     TOTAL                  100.0%      100.0%    100.0%


37

          


TABLE 2.11d



ORIGINS OF AIR PARTIES FOR CITIES
IN BAY AREA COUNTIES 1980 - 1990

NAPA COUNTY



                                   PERCENT OF AIR PARTIES
     CITY OF ORIGIN           1980      1985      1990

American Canyon                 -          -       0.5%
Angwin                         0.9%      4.2%       -  
Calistoga                      6.8%      5.6%      5.2%
Lake Berryessa                   -       2.7%       -  
Napa                          84.8%     75.0%     61.7%
St. Helena                     7.5%     11.1%      7.4%
Yountville                       -       1.4%      3.3%

Other Napa County                -        -        21.9%

          TOTAL               100.0%    100.0%    100.0%


38


TABLE 2.11e


ORIGINS OF AIR PARTIES FOR CITIES
IN BAY AREA COUNTIES 1980 - 1990

SAN FRANCISCO COUNTY

                                   PERCENT OF AIR PARTIES
     CITY OF ORIGIN           1980      1985      1990

American Canyon               100.0%    100.0%    100.0%

          TOTAL               100.0%    100.0%    100.0%

 39


TABLE 2.11f

ORIGINS OF AIR PARTIES FOR CITIES
IN BAY AREA COUNTIES 1980 - 1990

SAN MATEO COUNTY



                                   PERCENT OF AIR PARTIES
     CITY OF ORIGIN           1980      1985      1990

Atheron                        1.7%      0.2%      0.6%
Belmont                        4.2%      4.4%      2.0%
Brisbane                       1.4%      1.3%       -  
Burlingame                     7.5%     15.0%      19.4%
Colma                           -        0.1%       -  
Daly City                      4.4%      4.5%       5.2%
East Palo Alto                   -       0.5%       0.2%
El Granada                     0.2%       -         -  
Foster City                    4.7%      4.0%      5.6%
Half Moon Bay                  1.4%      1.1%      1.6%
Hillsborough                   0.9%      1.8%      1.5%
La Honda                       0.1%       -         -  
Menlo Park                     5.3%      7.4%      5.6%
Millbrae                       5.2%      7.2%      6.2%
Montara                        0.8%      0.3%      0.1%
Moss Beach                     0.9%      0.4%       -  
Pacifica                       3.3%      2.1%      3.2%
Portola Valley                 1.4%      1.0%      0.7%
Redwood City                   7.8%      7.4%      5.4%
San Bruno                      6.8%      7.0%      8.2%
San Carlos                     3.2%      5.0%      5.8%
San Mateo                     12.3%     13.8%     13.7%
South San Francisco           13.2%      6.9%     11.8%
Woodside                       1.5%      1.0%      0.6%


Other San Mateo County        11.8%      7.6%       2.7%

     TOTAL                  100.0%      100.0%    100.0%


40

               

TABLE 2.11g

ORIGINS OF AIR PARTIES FOR CITIES
IN BAY AREA COUNTIEs 1980 - 1990

SANTA CLARA COUNTY


                                   PERCENT OF AIR PARTIES
     CITY OF ORIGIN           1980      1985      1990

Campbell                       1.8%      1.5%       1.3%
Cupertino                      3.9%      3.0%       3.3%
Gilroy                         0.5%      0.8%       0.7%
Los Altos                      3.1%      3.6%       2.8%
Los Altos Hills                0.6%      0.9%       0.8%
Los Gatos                      3.1%      3.1%       2.7%
Milpitas                       1.4%      2.6%       2.2%
Monte Sereno                   0.1%      0.2%       0.5%
Morgan Hill                    1.2%      1.1%       0.5%
Mountain View                  5.2%      7.4%       5.3%
Palo Alto                     14.5%     13.9%      14.5%
San Jose                      38.8%     35.6%      29.4%
San Marin                       -        0.4%        -
Santa Clara                    9.4%     10.1%       7.8%
Satatoga                       2.5%      2.3%       2.4%
Sunnyvale                     12.0%     11.4%      10.7%


Other Santa Clara County       1.9%      2.1%      15.1%

     TOTAL                  100.0%      100.0%    100.0%


41


               
TABLE 2.11h


ORIGINS OF AIR PARTIES FOR CITIES
IN BAY AREA COUNTIES 1980 - 1990

SOLANO COUNTY


                                   PERCENT OF AIR PARTIES
     CITY OF ORIGIN           1980      1985      1990

Benicia                        5.2%     10.4%      10.8%
Dixon                          1.2%       -          -  
Fairfield                     10.7%     19.4%      18.2%
Suisun City                    3.7%      6.3%       3.3%
Vacacille                      9.5%     13.9%      10.3%
Vallejo                       21.5%     35.4%      39.3%


Other Solano County           48.2%     14.6%      18.1%

     TOTAL                  100.0%      100.0%    100.0%


42


                             TABLE 2.11i



ORIGINS OF AIR PARTIES FOR CITIES
IN BAY AREA COUNTIES 1980 - 1990

SONOMA COUNTY



                                   PERCENT OF AIR PARTIES
     CITY OF ORIGIN           1980      1985      1990

Agua Caliente                   -        1.0%       -   
Bodega Bay                     2.9%      1.9%       -   
Cloverdale                      -        0.4%       1.8%
Cotati                         3.1%       -         0.2%
Forestville                    2.9%      1.0%        -  
Fulton                          -        0.4%        -  
Geyserville                    2.0%       -          -  
Glen Ellen                     1.1%       -         0.5%
Guernville                     2.0%      0.4%       0.4%
Healdsburg                     2.0%       -         3.9%
Jenner                          -        0.8%        -  
Monte Rio                       -        0.8%       0.1%
Occidental                      -        0.4%        -
Petaluma                      11.3%     11.0%      20.7%
Rohnert Park                   7.3%      7.2%       5.1%
Santa Rosa                    48.7%     59.5%      38.8%
Sebastapol                     6.8%      4.2%       4.3%
Sonoma                         8.2%     11.0%      12.4%
Windsor                        1.7%      -          -

Other Sonoma County            -         -         11.8%

     TOTAL                  100.0%      100.0%    100.0%


43

TABLE 2.11j


ORIGINS OF AIR PARTIES FOR CITIES
IN BAY AREA COUNTIES 1980 - 1990

OUT OF REGION


                                   PERCENT OF AIR PARTIES
     CITY OF ORIGIN                     1990

Santa Cruz                              0.3%
Scotts Valley                           2.0%
Watsonville                             2.2%


Other Out-of-Region                     9.5%

     TOTAL                              100.0%

Out of Region origins by city are not available prior to 1990.


44


TABLE 2.12

 AIR PARTY ORIGINS FROM
OUTSIDE THE BAY AREA *


                                   
     CITY OF ORIGIN                PERCENT OF AIR PARTIES

SANTA CRUZ                              34.8
STANISLAUS                              27.7
YOLO                                     7.0%
MADERA                                   4.6%
KERN & KINGS                             3.7%
MENDOCINO                                3.0%
SISKIYOU                                 2.9%
SHASTA                                   2.7%
TUOLOMNE                                 2.3%
FRESNO                                   2.1%
SACRAMENTO                               2.0%
SUTTER                                   2.0%
MONTEREY                                 1.1%
TEHEMA                                   0.9%
MARIPOSA                                 0.7%
LASSEN                                   0.6%
TULARE                                   0.4%
SAN JOAQUIN                              0.3%
YUBA                                     0.3%
MERCED                                   0.3%
INYO                                     0.2%
EL DORADO                                0.1%
HUMBOLT                                  0.1%
LAKE                                     0.1%
NEVADA                                   0.1%

TOTAL

     TOTAL                              100.0%

  *  Air party origins from outside the nine-county Bay Area
     account for only 2.4 percent of all air party origins.


45




FIGURE 2.1

COUNTY OF ORIGIN 1980 - 1990



46



PART IV -
 SECTION 3 -




 GROUND TRANSPORTATION -


TABLE 3.1



 GROUND TRANSPORTATION MODE
 BY RESIDENCE AND TRIP PURPOSE


                         BAY AREA RESIDENTS            NON-RESIDENTS
                         BUSINESS  NON-BUSINESS    BUSINESS      NON-BUSINESS
PRIVATE CAR                 75.6%       76.2%          22.1%          48.0%
RENTAL CAR                   4.3%        1.4%          43.7%          23.2%
AC-SAMTRANS-SC TRANSIT       1.0%        1.1%           0.5%           1.2%
"AIRPORTER" EXPRESS BUSES    3.4%        5.5%           4.0%           4.5%
OTHER TRANSIT (Inc. AirBART) 1.6%        2.2%           2.2%           2.1%
TAXI                         5.0%        3.2%           8.5%           4.8%
HOTEL/MOTEL COURTESY VAN     0.5%        0.9%           5.7%           4.5%
LUXURY LIMOUSINE             1.9%        1.7%           3.1%           1.6% 
ON CALL VAN SERVICE          6.5%        6.9%           8.1%           7.7%
CHARTER/TOUR BUS             0.0%        0.4%           1.0%           1.5%
OTHER                        0.2%        0.5%           1.1%           1.0%

     TOTAL                 100.0%      100.0%         100.0%         100.0%


Business trips include trips for conventions, conferences and 
for commercial and military purposes.



47


TABLE 3.2

GROUND TRANSPORTATION MODE BY AIRPORT
(Sorted by mode share size)


                                   ALL    SAN         SAN         SAN
                              BAY AREA  FRANCISCO   OAKLAND      JOSE
                              AIRPORTS    (SFO)      (OAK)       (SJC)

PRIVATE CAR                   52.2%     46.1%     69.0%          66.1%
RENTAL CAR                    20.1%     19.6%     16.9%          24.7%
ON CALL VAN SERVICE            7.4%      9.9%      1.5%           1.4%
'AIRPORTER'EXPRESS BUSES       4.8%      6.5%      1.2%           0.3%
TAXI                           5.3%      6.1%      3.0%           3.4%
HOTELAAOTEL COURTESY VAN       3.4%      4.0%      1.5%           2.2%
OTHER TRANSIT (Incl. AirBART)  2.2%      2.1%      4.6%           0.4%
LUXURY LIMOUSINE               2.0%      2.6%      0.6%           0.6%
AC-SAMTRANS-SC TRANSIT         1.0%      1.2%      0.7%           0.5%
CHARTER(TOUR BUS               0.9%      1.2%      0.2%           0.1%
OTHER                          0.7%      0.8%      0.8%           0.2%

     TOTAL                    100.0%    100.0%    100.0%         100.0%


                                      48


                                   TABLE 3.3

GROUND TRANSPORTATION MODE BY RESIDENCE STATUS 6


49




TABLE 3.4

TRENDS IN
GROUND TRANSPORTATION MODE SHARES
1975 - 1990

SAN FRANCISCO INTERNATIONAL AIRPORT


                              1975      1980      1985      1990

PRIVATE CAR                   51.3%     48.5%     47.1%     46.1%
RENTAL CAR                    12.5%     12.8%     19.5%     19.6%
AC-SAMTRANS-SC TRANSIT         4.3%      4.2%      0.9%      1.2%
SONOMA COUNTY AIRPORT EXPRESS    -        -        0.1%      0.3%
SONOMA AIRPORTER                 -        -        0.2%       -
SFO AIRPORTER                 13.6%     12.2%      6.0%      2.0%
MARIN AIRPORTER                 -        0.9%      1.7%      1.4%
EVANS AIRPORTER                 -        0.1%      0.3%      0.6%
SANTA ROSA AIRPORTER            -        0.3%      1.3%      0.8%
TRAVIS EXPRESS                  -         -         -        0.1%
AIRPORT CONNECTION              -        0.7%      1.0%      0.7%
SC AIRPORT EXPRESS              -         -         -        0.5%
OTHER TRANSIT                   -         -        1.2%      2.1%
TAXI                           9.5%      9.5%     10.8%      6.1%
HOTEL/MOTEL COURTESY VAN       3.7%      4.6%      5.8%      4.0%
LUXURY LIMOUSINE               2.2%      3.1%      2.3%      2.6%
ON CALL VAN SERVICE             -         -         -        9.9%
CHARTER/TOUR BUS                -        1.4%      0.7%      1.2%
MILITARY BUS                    -         -        1.0%      0.1%
0THER                          2.9%      1.7%       -        0.6%

     TOTAL                    100.0%    100.0%    100.0%    100.0%




50



TABLE 3.5


TRENDS IN
GROUND TRANSPORTATION MODE SHARES
1975 - 1990

OAKLAND INTERNATIONAL AIRPORT


                              1975      1980      1985      1990

PRIVATE CAR                   79.3%     76.7%     70.3%     69.0%
RENTAL CAR                     8.1%      8.4%     15.0%     16.9%
AC-SAMTRANS-SC TRANSIT         5.2%      1.3%      1.0%      0.7%
SONOMA COUNTY AIRPORT EXPRESS   -         -         -        0.1%
SFO AIRPORTER                   -        0.2%       -        0.1%
MARIN AIRPORTER                 -         -         -        0.1%
EVANS AIRPORTER                 -         -         -          * 
SANTA ROSA AIRPORTER            -         -         -        0.1%
OAKLAND AIRPORT EXPRESS         -         -        0.4%      0.4%
TRAVIS EXPRESS                  -         -         -        0.1%
AIRPORT CONNECTION              -        0.3%       -        0.2%
SC AIRPORT EXPRESS              -         -         -        0.1%
OAKLAND AirBART                 -        6.5%      3.2%      4.1%
OTHER TRANSIT                  1.3%       -        1.2%      0.5%
TAXI                           2.6%      3.4%      5.0%      3.0%
HOTEL/MOTEL COURTESY VAN       2.3%      1.9%      2.5%      1.5%
LUXURY LIMOUSINE               0.2%      0.7%      0.6%      0.6%
ON CALL VAN SERVICE             -         -         -        1.5%
CHARTER/TOUR BUS                -         -        0.3%      0.2%
MILITARY BUS                    -         -         -        0.3%
OTHER                           1.0%     0.6%      0.5%      0.4%

     TOTAL                    100.0%    100.0%    100.0%    100.0%

*  Less than 0.1 percent

51

               
                                   TABLE 3.6

TRENDS IN
GROUND TRANSPORTATION MODE SHARES
1975 - 1990

SAN JOSE INTERNATIONAL AIRPORT


                              1975      1980      1985      1990

PRIVATE CAR                   84.6%     78.2%     72.1%     66.1%
RENTAL CAR                     7.9%     14.2%     22.4%     24.7%
AC-SAMTRANS-SC TRANSIT         0.5%      0.7%      0.3%      0.5%
GREYHOUND                       -         -        0.2%       -
PEERLESS                        -         -        0.2%       -
AIRPORT LIMOUSINE              0.7%       -         -         -
AIRPORT CONNECTION              -         -         -        0.1%
SANTA CLARA AIPORT EXPRESS      -         -         -        0.2%
OTHER TRANSIT                   -         -         -        0.4%
TAXI                           2.2%      3.1%      2.6%      3.4%
HOTEL/MOTEL COURTESY VAN       1.6%      1.5%      1.5%      2.2%
LUXURY LIMOUSINE               1.2%      0.8%      0.4%      0.6%
ON CALL VAN SERVICE             -         -         -        1.4%
CHARTER/TOUR BUS                -        0.1%      0.2%      0.1%
OTHER                          1.3%      1.4%      0.1%      0.2%

     TOTAL                    100.0%    100.0%    100.0%    100.0%


52



TABLE 3.7

GROUND TRANSPORTATION MODE SHARE BY COUNTY OF ORIGIN

SAN FRANCISCO INTERNATIONAL AIRPORT



53





TABLE 3.8

GROUND TRANSPORTATION MODE SHARE BY COUNTY OF ORIGIN

OAKLAND INTERNATIONAL AIRPORT


54



TABLE 3.9


GROUND TRANSPORTATION MODE SHARE BY COUNTY OF IN
        SAN JOSE INTERNATIONAL AIRPORT



55


TABLE 3.10

GROUND TRANSPORTATION MODE CHOICE BY INCOME

TOTAL HOUSEHOLD INCOME FOR 1989



56


TABLE 3.11

GROUND TRANSPORTATION MODE CHOICE BY AGE

AGE OF RESPONDENT




57

TABLE 3.12

FOR AIR PARTIES TAKING TRANSIT TO THE AIRPORT,
MEANS BY WHICH TRANSIT SERVICE
WAS REACHED



                                   SAN                       SAN
                               FRANCISCO      OAKLAND        JOSE
                              INTERNATIONAL  INTERNATIONAL  INTERNATIONAL
HOW AIR PARTY REACHED TRANSIT   AIRPORT        AIRPORT        AIRPORT

WALK OR BICYCLE                    47.2%          60.4%     35.2%
ALITO - DROPPED OF BY OTHERS       24.2%           5.2%     16.2%
AUTO - DROVE SELF AND PARKED       10.7%           2.0%     10.2%
TAXI                                6.6%           2.8%     18.1%
BART                                5.6%          25.6%      0.0%
BUS                                 5.3%           3.8%     17.6%
CALTRAIN                            0.4%           0.2%      2.8%

     TOTAL                         100.0%         100.0%    100.0%


NOTE:
Respondents were asked how they arrived at the airport to determine their
ground transportation mode.  If they used public or private transit, they
were also asked how they reached the transit services.  In some cases, the
air party may have started their trip using one form of transit and then
transferred to another to complete their journey to the airport.


                                      58


                                  TABLE 3.13

AIR PARTY SIZE, LUGGAGE AND ACCOMPANIERS
BY GROUND TRANSPORTATION MODE

                                                         Average
                           Average      Average     Number of People
GROUND                   Air Party      Number of       Who Came to
TRANSPORTATION MODE        Size       Bags per Party   See Party Off

PRIVATE CAR               1.67               2.98           1.02
RENTAL CAR                2.04               3.49           0.18

     PUBLIC TRANSIT       2.07                2.96          0.23
AC-SAMTRANS-SC TRANSIT    1.58                2.27          0.07
OAKLAND AIR-BART          1.26                1.85          0.20
OTHER TRANSIT             2.63                3.72          0.33

"AIRPORTER" EXPRESS BUSES 1.63                2.76          0.09
Sonoma County Airporter   1.42                2.12          0.07
SFO Airporter             1.76                2.91          0.05
Marin Airporter           1.39                2.61          0.07
Evans Airporter           1.54                2.98          0.12
Santa Rosa Airporter      1.46                2.37          0.19
Oakland Airport Express   1.32                1.99          0.07
Travis Express            1.84                3.99          0.00
Airport Connection        1.41                2.64          0.11
SC Airport Express        2.53                3.37          0.09

 TAXI                     1.91                2.91          0.11
ON-CALL VAN SERVICE       1.56                2.92          0.11
LUXURY LIMOUSINE          2.15                3.85          0.15
HOTEL COURTESY VAN        2.29                3.76          0.09
CHARTER OR TOUR BUS      13.54               12.94          0.18
MILITARY BUS             14.27                6.00          0.12
     OTHER                3.68                4.06          0.67




59


TABLE 3.14


GROUND TRANSPORTATION MODE
BY FLIGHT DESTINATION

 FLIGHT DESTINATION


                                        FLIGHT DESTINATION

GROUND TRANSPORTATION MODE         CALIFORNIA     DOMESTIC  INTERNATIMAL

PRIVATE CAR                        55.0%          51.2%     43.7%
RENTAL CAR                         18.9%          21.0%     17.8%
AC-SAMTRANS-SC TRANSIT              1.6%           0.6%      0.8%
AIRPORT EXPRESS BUSES               4.7%           5.6%      6.9%
OTHER TRANSIT                       1.4%           1.7%      3.5%
ON-CALL VAN SERVICE                 7.8%           7.1%      9.6%
TAXI                                5.8%           5.0%      5.2%
HOTEL COURTESY VAN                  2.3%           3.9%      5.1%
LUXURY LIMOUSINE                    1.7%           2.2%      2.2%
CHARTER OR TOUR BUSES               0.5%           0.9%      3.7%
OTHER                               0.3%           0.8%      1.4%

TOTAL                              100.0%         100.0%    100.0%


60


TABLE 3.15


GROUND TRANSPORTATION MODE
BY TYPE OF LOCATION FROM WHICH
AIR PARTY LEFT FOR AIRPORT



                              RESIDENCE      BUSINESS    HOTEL   OTHER
PRIVATE CAR                   74.8%          43.8%        8.3%   28.5%
RENTAL CAR                     7.0%          34.5%       42.3%   23.8%
AC-SAMTRANS-SC TRANSIT         1.0%           1.1%        0.5%    4.0%
AIRPORTER EXPRESS BUSES        5.3%           3.9%        5.9%    8.7%
OTHER TRANSIT                  1.0%           1.0%        3.4%    2.6%
ON-CALL VAN SERVICE            5.5%           6.5%       11.3%   15.0%
TAXI                           2.9%           6.8%        9.7%    6.9%
HOTEL COURTESY VAN             0.5%           0.4%       11.7%    0.4%
LUXURY LIMOUSINE               1.3%           0.9%        4.1%    1.5%
CHARTER OR TOUR BUSES          0.3%           0.6%        2.1%    4.0%
OTHER                          0.4%           0.6%        0.6%    4.7%     

TOTAL                         100.0%         100.0%     100.0%   100.0%


61


FIGURE 3.1


1990

GROUND TRANSPORTATION MODE SHARES FOR BAY AREA AIRPORTS




 PERCENT OF AIR PARTIES

62

TABLE 4.1

WHERE CARS ARE PARKED AT BAY AREA AIRPORTS


                                   SAN                        SAN
                              FRANCISCO      OAKLAND         JOSE
     PARKING LOCATION          AIRPORT       AIRPORT        AIRPORT
MAIN GARAGE           (SFO)     67.6%           -              -
LONGTERM LOT                    18.8           35.3           40.7
SHORT TERM LOT                   -             45.7           58.8
ECONOMY LOT           (OAK)      -              6.9            -

     Park and Fly     (OAK)      -              7.3            -

     Air Park         (OAK)      -              2.3            -

     E-Z Park         (OAK)      -              0.5            -


OFF-AIRPORT LOTS    (Subtotal)  13.6           10.1            0.5


OTHER PARKING FACILITIES          -             2.0              -

     TOTAL                    100.0%            100.0%           100.0%




63



 PART IV -
 SECTION 4 -


 PARKING -



TABLE 4.2

FOR AIR PARTIES DRIVING TO THE AIRPORT,
WERE CARS PARKED AT THE AIRPORT OR DRIVEN AWAY BY OTHERS
1985 - 1990





64


TABLE 4.3

PARKING SEQUENCE OF AIR PARTIES USING
PRIVATE CARS FOR THEIR TRIP TO THE AIRPORT
1985-1990




65



 PART IV -
 SECTION 5 -



 TRIP PURPOSE -


TABLE 5.1


TRIP PURPOSE BY AIRPORT





66


TABLE 5.2


TRIP PURPOSE BY COUNTY OF ORIGIN



                              BUSINESS       NON-BUSINESS
COUNTY OF ORIGIN               TRIP              TRIP

ALAMEDA                       14.3%               16.0%
CONTRA COSTA                   7.0%                7.4%
MARIN                          4.4%                4.8%
NAPA                           1.1%                1.6%
SAN FRANCISCO                 28.8%               27.6%
SAN MATEO                     12.9%               15.4%.
SANTA CLARA                   25.9%               19.1%
SOLANO                         1.7%                2.4%
SONOMA                         2.0%                3.0%

BAY AREA (Subtotal)           98.2%               97.3%

SANTA CRUZ                     0.7%                0.9%
STANISLAUS                     0.4%                0.7%
OTHERS COMBINED                0.7%                1.2%

OUTSIDE REGION (Subtotal)      1.8%                2.7%

          TOTAL               100.0%              100.0%


NOTE:
BUSINESS TRIPS include travel for conventions and conferences, and for
commercial and military purposes.


67


TABLE 5.3

TRIP PURPOSE BY COUNTY OF ORIGIN



68



TABLE 5.4

TRIP PURPOSE BY INCOME

TOTAL HOUSEHOLD INCOME FOR 1989




69



TABLE 5.5


TRIP PURPOSE BY AGE

AGE OF RESPONDENT




70
 PART IV 
 SECTION 6 -



 REASONS FOR CHOOSING -
- AIRPORT -


TABLE 6.1


REASONS GIVEN FOR SELECTING AIRPORT
BY FLIGHT DESTINATION
AIR PARTIES WITH CALIFORNIA DESTINATION


MAIN REASON FOR CHOOSING AIRPORT        SFO       OAK       SJC

CHOSEN BY OFFICE/TRAVEL AGENT           12.6%      6.4%      6.5%
CLOSEST AIRPORT TO RESIDENCE/HOTEL      29.9%     37.7%     44.7%
CLOSEST AIRPORT TO BUSINESS             12.0%     12.5%     26.7%
BEST FLIGHT TIME                         5.0%      2.6%      2.5%
DIRECT FLIGHT TO DESTINATION            14.8%      6.0%      6.8%
LOWER FARES                              8.9%     17.8%      3.1%
CHEAPER/MORE CONVENIENT PARKING          1.4%      3.8%      0.8%
LESS CROWDED                             0.5%      7.6%      2.6%
ALWAYS USE THIS AIRPORT                 10.1%      3.1%      3.5%
OTHER                                    4.8%      2.5%      2.7%

TOTAL                                   100.0%    100.0%    100.0%



           AIR PARTIES WITH DOMESTIC AND INTERNATIONAL DESTINATIORS

CHOSEN BY OFFICE/TRAVEL AGENT      20.7%     10.7%      8.0%
CLOSEST AIRPORT TO RESIDENCE/HOTEL 18.6%     47.7%     46.0%
CLOSEST AIRPORT TO BUSINESS         8.8%     11.4%     24.0%
BEST FLIGHT TIME                    4.2%      3.7%      2.3%
DIRECT FLIGHT TO DESTINATION       29.3%      5.0%      6.7%
LOWER FARES                         4.5%      5.9%      2.2%
CHEAPER/MORE CONVENIENT PARKING     0.8%      1.4%      0.7%
LESS CROWDED                        0.3%      8.6%      3.6%
ALWAYS USE THIS AIRPORT             8.0%      2.9%      3.5%
OTHER                               4.8%      2.7%      2.9%

     TOTAL                         100.0%    100.0%    1.00%

71

 




TABLE 6.2
REASONS GIVEN FOR SELECTING AIRPORT BY AGE




72

TABLE 6.3


     REASONS GIVEN FOR- SELECTING AIRPORT BY INCOME 
SAN FRANCISCO INTERNATIONAL AIRPORT 
TOTAL HOUSEHOLD INCOME FOR 1989



73



TABLE 6.4


REASONS GIVEN FOR SELECTING AIRPORT BY INCOME
QAKLAND INTERNATIONAL AIRPORT
TOTAL HOUSEHOLD INCOME FOR 1989



74




TABLE 6.5

REASONS GIVEN FOR SELECTING AIRPORT BY INCOME
SAN JOSE INTERNATIONAL AIRPORT
TOTAL HOUSEHOLD INCOME FOR 1989



75



- PART IV -
- SECTION 7 -


- AIRPORT ARRIVAL TIMES -


TABLE 7.1

AVERAGE AIRPORT ARRIVAL TIMES PRIOR TO FLIGHT.
BY FLIGHT DESTINATION



               SAN FRANCISCO       OAKLAND        SAN JOSE       ALL
               INTERNATIONAL    INTERNATIONAL  INTERNATIONAL   BAY AREA
DESTINATION      AIRPORT           AIRPORT        AIRPORT        AIRPORTS

CALIFORNIA           66.5          59.9            59.2           63.7
DOMESTIC             86.0          69.0            66.1           81.6
INTERNATIONAL       122.3          72.4           103.7          120.2

ALL DESTINATIONS     82.5          63.9            63.6           77.1


76

TABLE 7.2

AVERAGE ARRIVAL TIMES PRIOR TO FLIGHT
BY GROUND TRANSPORTATION MODE
FOR EACH AIRPORT




                         ARRIVAL TIMES PRIOR TO FLIGHT IN MINUTES

                                                            ALL            
                                                            BAY AREA
GROUND TRANSPORTATION MODE         SFO       OAK       SJC       AIRPORTS

ALL TRANSPORTATION MODES            82.5      63.9      63.6      77.1

PRIVATE CAR                         75.9      59.7      60.6      70.1
RENTALCAR                           90.8      72.5      68.5      84.4
AC-SAMTRANS-SC TRANSIT              91.4      61.6      73.6      87.5
"AIRPORTER" EXPRESS BUSES           87.7      85.3      77.9      87.6
OTHER TRANSIT (Includes AirBART)    93.3      73.8      84.1      87.8
ON-CALL VAN SERVICE                 81.0      78.3      73.5      80.7
TAXI                                77.6      73.4      72.9      76.8
HOTEL COURTESY VAN                  96.8      62.5      71.8      92.2
LUXURY LIMOUSINE                    77.2      72.2      66.1      76.5
CHARTER OR TOUR BUSES              111.7     132.7      77.1     111.8
OTHER (includes MILITARY BUS)      144.3      84.6      51.6     130.7



NOTE:

MILITARY BUS was combined into the "OTHER" category due to the small number
of respondents that both used this mode and provided arrival time
information.



                                      77

TABLE 7.3


AVERAGE AIRPORT ARRIVAL TIMES
PRIOR TO FLIGHT BY
GROUND TRANSPORTATION AND TRIP PURPOSE

                         ARRIVAL TIMES PRIOR TO FLIGHT IN MINUTES

                                        TRIP PURPOSE
GROUND TRANSPORTATION MODE    BUSINESS       NON-BUSINESS

ALL TRANSPORTATION MODES            72.2           79.8

PRIVATE CAR                         63.7           72.4
RENTAL CAR                          76.2           93.7
AC-SAMTRANS-SC TRANSIT             105.7           81.9
"AIRPORTER" EXPRESS BUSES           82.3           89.6
OTHER TRANSIT                       84.3           89,4
ON-CALL VAN SERVICE                 79.7           81.3
TAXI                                72.3           81.1
HOTEL COURTESY VAN                  82.7           98.9
LUXURY LIMOSINE                     66.2           85.6
CHARTER OR TOUR BUSES              114.6          110.8
OTHER                              105.4          150.0

NOTE:

BUSINESS TRIPS include travel for conventions and conferences and for
commercial and military puposes.


78



- PART IV -
- SECTION -



-FREQUENCY OF FLYING -
- TRIP DURATION -

- AIR PARTY DEMOGRAPHICS -



TABLE 8.1


FREQUENCY OF FLYING FOR AIR PARTIES

BY COUNTY QF RESIDENCE

AVERAGE NUMBER OE FLIGHTS PER YEAR




79

TABLE 8.2


TRIP DURATION BY RESIDENCE STATUS
AND TRIP PURPOSE


     TRIP PURPOSE                                 TRIP DURATION
                                             (NUMBER OF NIGHTS)
     BAY AREA RESIDENTS

Convention                                         4.6
Business                                           6.2
Military Leave                                    19.4
AVERAGE BUSINESS TRIP DURATION                     6.3

School                                            49.7
Family Emergency                                   8.3
Vacation                                           9.8
Visit Friends/Family                               8.2
Other                                             10.0
AVERAGE NON-BUSINESS TRIP DURATION                10.1

AVERAGE TRIP DURATION FOR ALL TRIP PURPOSES        8.9

     NON-RESIDIENTS

Convention                                         5.7
Business                                           4.7
Military Leave                                    16.9
AVERAGE BUSINESS TRIP DURATION                     5.1

School                                            21.7
Family Emergency                                   9.6
Vacation                                           7.9
Visit Friends/Family                              10.1
Other                                             11.9
AVERAGE NON-BUSINESS TRIP DURATION                 9.1

AVERAGE TRIP DURATION FOR ALL TRIP PURPOSES        7.6


80


NOTE FOR TABLE 8.2:

The values for Average Number of Days Away from the Bay Area (for
residents) and Average Number of Days in the Bay Area (for non-
residents) were calculated using only those respondents with top
durations of less than 365 days.  Respondents with trip durations
greater than 365 days were removed from the sample since stays of one
year or greater often result in changes in residence status.  This
table, therefore, is not directly comparable with similar tables in
prior reports.



 
81



TABLE 8.3


INCOME BY COUNTY OF RESIDENCE

TOTAL HOUSEHOLD INCOME FOR 1989



82

TABLE 8.4


RESIDENCE STATUS OF AIR PARTIES
BY AIRPORT



                         SAN                   SAN
                    FRANCISCO      OAKLAND     JOSE         ALL
                 INTERNATIONAL INTERNATIONAL INTERNATIONAL BAY AREA
                   AIRPORT         AIRPORT      AIRPORT    AIRPORTS

BAY AREA RESIDENTS  38.1%          51.0%          48.0%     41.3%
NON-RESIDENTS       61.9%          49.0%          52.0%     58.7%

     TOTAL          100.0%         100.0%         100.0%    100.0%


                                 83



TABLE 8.5


AIR PARTY SIZE, LUGGAGE AND ACCOMPANIERS
BY AIRPORT

                                                    Average
                    Average        Average        Number of People
                    Air Party      Number         of Who Came to
AIRPORT              Size      Bags per Party     See Party Off

SFO                 1.84                3.18           0.57

OAK                 1.64                2.70           0.66

SJC                 1.52                2.49           0.70


      

                                 84




- PART IV -

- SECTION 9 -


FLIGHT DESTINATIONS -



                              TABLE 9.1

               FLIGHT DESTINATIONS BY COUNTY OF ORIGIN

FLIGHT DESTINATIONS

COUNTY OF ORIGIN    CALIFORNIA     DOMESTIC  INTERNATIONAL  TOTAL
ALAMEDA                  36.6%     59.4%     3.9%           100.0%
CONTRA COSTA             34.3%     61.4%     4.3%           100.0%
MARIN                    33.5%     62.2%     4.3%           100.0%
NAPA                     36.1%     60.2%     3.7%           100.0%
SAN FRANCISCO            38.9%     55.8%     5.3%           100.0%
SAN MATEO                32.7%     61.6%     5.7%           100.0%
SANTA CLARA              36.5%     60.0%     3.6%           100.0%
SOLANO                   26.0%     70.8%     3.2%           100.0%
SONOMA                   34.6%     60.0%     5.4%           100.0%

     BAY AREA            36.0%     59.4%     4.6%           100.0%

     OUTSIDE REGION      35.4%     55.1%     9.5%           100.0%


85

TABLE 9.2

FINAL AIRPORT DESTINATIONS
FOR INTRA-CALIFORNIA AIR TRAVELERS



 DESTINATION CITY             AIRPORT        PERCENT

LOS ANGELES                   LAX            44.1%
SAN DIEGO                     SAN            17.1%
BURBANK                       BUR            12.4%
SANTA ANA                     SNA            10.2%
ONTARIO                       ONT             8.2%
LONG BEACH                    LGB             4.8%
SANTA BARBARA                 SBA             0.8%
PALM SPRINGS                  PSP             0.7%
FRESNO                        FAT             0.4%
OXNARD                        OXR             0.2%
MONTEREY                      MRY             0.2%
REDDING                       RDD             0.1%
SAN FRANCISCO                 SFO             0.1%
SAN JOSE                      SJC             0.1%
LAKE TAHOE                    TVL             0.1%
EUREKA/ARCATA                 ACV             0.1%
MODESTO                       MOD             0.1%
OAKLAND                       OAK             0.1%
SACRAMENTO                    SMF               *
SANTA ROSA                    STS               *

          TOTAL                              100.0%

* Less than 0.1 percent

86


 PART V -


- APPENDICES -





APPENDIX 1: DEFINITIONS

AIR PARTY
     The unit for each interview is an Air Party  An air party
consists of one or more air passengers traveling together.  For
most of the tables in this report, the unit of analysis is the air
party.  In some cases, the data has been adjusted by air party size
to compare differences in the distributions of air parties and air
passengers.

AIRPORTER EXPRESS BUS
     Any privately-owned scheduled transit service that provides
direct, express service to Bay Area Airports

CONNECTING PASSENGERS AND THROUGH PASSENGERS
     Connecting passengers are those who use Bay Area airports to
transfer between planes but do not enter or exit the airport via
ground transportation.  Through passengers are those that are
booked on the same aircraft into and out of one of the Bay Area
airports.  Through passengers often exit and re-board their plane. 
Connecting passengers and through passengers were excluded from the
survey sample.

COUNTY OF ORIGIN
     The county from which an air party actually left for the
airport.  This might be different from the county in which a
respondent lives or is visiting.

GROUND TRANSPORTATION MODE
The type of transportation an air party used to get to the airport.

ON-CALL VAN SERVICE
     Privately-owned demand responsive paratransit services (i.e.
Supershuttle).

RESIDENT
     A resident is defined as a person living in the nine-county
San Francisco Bay Area.  Non-residents include visitors to the Bay
Area and residents of counties outside the Bay Area who use Bay
Area Airports.

SAN FRANCISCO BAY AREA (aka BAY AREA or REGION)
The nine contiguous urbanized counties recognized by -the Bureau of
the Census.  The region includes Alameda, Contra Costa, Marin,
Napa, San Francisco, San Mateo, Santa Clara, Solano and Sonoma
Counties.

                              87





APPENDIX 2: SURVEY INSTRUMENT




88


               
                APPENDIX 3: INTERVIEWER PROMPT CARDS


CARD #1

SCHEDULED TRANSIT
 1___AC Transit, SamTrans, Santa Clara Transit
 2___Sonoma County Airporter
 3___SFO Airporter
 4___Marin Airporter
 5___Evans Airporter
 6___Santa Rosa Airporter
 7___Oakland Airport Express
 8___Oakland Air BART
 9___Travis Express
10___Airport Connection
11___SC Airport Express
12___Other

ON CALL TRANSIT
13___Taxi
14___On Call Van Service (pd)
          *Bayporter, Super Shuttle, etc
15___Luxury Limousine
16___Helicopter

OTHER
17___Hotel Courtesy Car (free)
18___Charter or Tour Bus
19___Military Bus
20___Other

-------------------------------------------------------------------

CARD #2

MAIN REASON for choosing this Airport:
 1___Chosen by TRAVEL AGENT or OFFICE
 2___Closest to BUSINESS
 3___Closest to RESIDENCE/HOTEL
 4___Always use this airport
 5___Direct flight to destination
 7___Cost/availability of parking
 8___Less crowded
 9___Lower fares
10___Best flight time
88___Other

------------------------------------------------------------------

CARD #3

INCOME

 1___Less than $12,500
 2___$12,500 - $19,999
 3___$20,000 - $29,999
 4___$30,000 - $39,999
 5___$40,000 - $49,999
 6___$50,000 - $74,999
 7___$75,000 - $99,999
 8___$100,000 - $149,999
 9___More than $150,000

AGE
 1___12 or younger
 2___13 - 19
 3___20 - 29
 4___30 - 39
 5___40 - 49
 6___50 - 65
 7___Over 65



89.

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