1.1.2.7: Monitoring Vehicle Direction Movement

This process shall be responsible for monitoring the use of reversible lanes and detecting wrong-way vehicles in reversible or other travel lanes. The process shall monitor sensor data and video images and use this information along with the lane status (which direction it is currently operating) to identify when a vehicle is traveling in the wrong direction. This process shall continuously monitor for receipt of the sensor data, video images, and connected vehicle message flows. This process shall process the received data to determine both the number of vehicles detected in reversible lane(s) and the identity of vehicle(s) using the lane(s). This process shall process the received data to determine if a wrong way vehicle has been detected in reversible lane(s) and the identity of vehicle(s) using the lane(s). This process shall also receive direct wrong way vehicle warnings from field based processes. Vehicle identities shall not be passed to the data storage process. Vehicle identities shall be sent to the traffic operations personnel and the Manage Emergency Services function in the event of an unvalidated and unverified violation being detected. Public safety or law enforcement shall be responsible for validating and verifying these detected events. Reversible lane status and wrong way vehicle notifications shall be provided to the traffic operations personnel for decision making in order to change the status of the lanes or activate other warning processes.

This process is associated with the Traffic Management Center physical object.

This process is associated with the following functional objects:

• TMC Reversible Lane Management
• TMC Wrong Way Vehicle Warning

This process is associated with the following data flows:

• reversible_lane_data
• reversible_lane_sensor_data
• reversible_lane_status
• reversible_lane_video_images
• wrong_way_vehicle
• wrong_way_vehicle_monitoring_data