This data flow contains an emissions message for in-vehicle signage. It contains data about the current levels of emissions being output by a vehicle or that the vehicle is entering a low emissions zone that has certain restrictions on emissions output. The data flow consists of the following items each of which is defined in its own DDE:

+ vehicle_sign_data_output_location

Sub Data Flows

Parent Data Flows

Associated PSpecs/Terminators

Parent Information Flows