1.1.2.13: Process Vehicle Identifier Data

This process shall receive and process vehicle identifier data from sensors at the roadway. This process shall calculate vehicle speed per network link based on the vehicle identifiers. The process shall calculate origin and destination for vehicles based upon where vehicle identifiers are received within the network. The process distributes data to Provide Device Control processes that are responsible for freeway, highway rail intersections, parking lot, and surface street management. It also sends the data to another Provide Traffic Surveillance process for loading into the stores of current and long term data.

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

This process is associated with the following functional objects:

• TMC Passive Surveillance

This process is associated with the following data flows:

• passive_vehicle_monitoring_device_control
• passive_vehicle_monitoring_device_status
• traffic_data_from_passive_measurements
• vehicle_signature_data