position_warning_to_rear

This data flow is used within the Provide Vehicle Monitoring and Control function and the Provide Driver and Traveler Services function. It contains a warning that there is something behind the vehicle that is a hazard to the vehicle if it starts (or continues) to move in that direction, plus a short description of the action that the driver should take to avoid the object. The data flow consists of the following data items each of which is defined in its own DDE:

position_critical_state
+ position_advisory_message

Sub Data Flows

• position_advisory_message
• position_critical_state

Parent Data Flows

• position_warnings

Associated PSpecs/Terminators

• None