This data flow contains the actual data from which instructions to the driver and traveler can be produced by indicators at dynamic message (DMS) and other types of signs on the roads (surface streets) in the geographic and/or jurisdictional area(s) served by the function. It consists of the following data items each of which is defined in its own DDE:

+ list_size{indicator_identity
+ indicator_sign_control_data}

Sub Data Flows

Parent Data Flows

Associated PSpecs/Terminators