1.6.1.1: Detect Roadway Events

This process is responsible for monitoring local sensor data obtained from traffic surveillance and then determining and reporting the current state of all traffic in the HRI vicinity. The process provides triggers for other processes within Manage HRI Traffic Volume. It also monitors the device controls as they are initiated by the Activate HRI Device Controls process.

This process is associated with the ITS Roadway Equipment physical object.

This process is associated with the following functional objects:

• Roadway Advanced Rail Crossing
• Roadway Transit Signal Control

This process is associated with the following data flows:

• current_hri_state
• event_notice
• hri_device_sense
• hri_traffic_surveillance
• roadway_status
• approaching_train_data
• device_control_state
• hri_status
• indicator_sign_control_data_for_hri
• train_sense_data
• train_sense_data_for_intersection