This message provides the Manage Traffic function with data to be used for In-Vehicle Signage applications to indicate areas, such as a work zone, where the speed limit has been reduced. It includes the new speed limit, the geographical area over which the new limit applies, and the timeframe for which it is applicable. This data flow consists of the following items each of which is defined in its own DDE:

+ reduced_speed_zone_location
+ reduced_speed_zone_timing

Sub Data Flows

Parent Data Flows

Associated PSpecs/Terminators

Parent Information Flows