Roadway Passive Monitoring Functional Area


'Roadway Passive Monitoring' monitors passing vehicles for a signature that can be used to recognize the same vehicle at different points in the network and measure travel times. Depending on the implementation and the penetration rate of the technology that is monitored, other point traffic measures may also be inferred by monitoring the number of vehicles within range over time. Today this approach is implemented most commonly using a Bluetooth receiver that passively monitors Bluetooth devices on–board passing vehicles and license plate readers that record the vehicle license plate number, but any widely deployed vehicle communications technology or feature that can be passively monitored to uniquely identify a vehicle could be used.

Included In

ODOT / KYTC Cameras
KYTC District 6 Field Equipment
ODOT / KYTC Traffic Counters
Hamilton County Field Equipment
City and County Field Equipment
City and County Cameras
ODOT Speed Monitoring Roadside Equipment
INDOT Speed Monitoring Roadside Equipment
KYTC Speed Monitoring Roadside Equipment
INDOT Cameras

Functional Requirements

01The field element shall collect, process, and send data to the center to uniquely identify passing vehicles in order to support travel time measurement
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