roadway_info_safeguard_activated_from_traffic

This data flow contains the actual data from which instructions to the driver and traveler can be produced by indicators at dynamic message signs (DMS), highway advisory radios (HAR), or in-vehicle signage at the roadside to display the status of the safeguard system (e.g. ongoing, just completed, about to begin). It consists of the following data items each of which is defined in its own DDE:

list_size + list_size{indicator_identity
+ dms_advisory_text
+ lane_dms_controls}

Sub Data Flows

• dms_advisory_text
• indicator_identity
• lane_dms_controls
• list_size

Parent Data Flows

• safeguard_to_device_control

Associated PSpecs/Terminators

• 5.7.6.2 - Manage Safeguard Systems
• 1.2.4.4 - Output Roadway Information Data