Technologies Being Deployed

The ISSES technology in Kentucky is intended to give inspectors real-time information about trucks passing by the scale house at a slow ramp speed through several integrated subsystems:

A bulk radiation detection monitor
A front tractor automated license plate recognition (ALPR) system
A USDOT number reader, using optical character recognition (OCR) technology
A thermal imaging (infrared, or IR) inspection system
A vehicle classification system (laser scanner).

The system also includes an overview (color still image) camera mounted near the roof of the scale house and a (visible) color video image system in parallel with the IR camera. The Kentucky deployment of ISSES is unique in that it is attempting to integrate disparate enforcement and security functions. The locations of the primary systems relative to the overall weigh station layout in Laurel County are illustrated in Figure 5. A KVE inspector using the inspection shed to measure the brake stroke on a commercial truck is shown in Figure 6.

Figure 5. Map illustration. Map of the Laurel County (London, Kentucky) weigh station, showing traffic flow from left to right, sorter lane for weighing trucks, static scale behind scale house, and ISSES portal in front of scale house. Automatic directional signals show drivers which lanes to follow as they traverse the station.

Figure 5. Layout of weigh-inspection station and traffic patterns at London, Kentucky (Laurel County) on northbound I-75. Illustration is not to scale.

Figure 6. Photograph. Inspector standing in inspection bay beneath a semi tractor-trailer, using a ruler to measure the brake stroke of a truck in the inspection shed during a routine inspection at Laurel County, Kentucky.

Figure 6. Inspector using the inspection shed at Laurel County station to measure brake stroke during a routine safety inspection.

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