This data flow contains data showing any changes required to the current vehicle throttle setting in order to increase or decrease the headway between the vehicle and the one it is following, or to maintain a set vehicle speed. It may include the following data: keep at present level (default value), increase throttle (go faster or maintain speed up hill), decrease throttle (slow down or maintain speed down hill).

Sub Data Flows

Parent Data Flows

Associated PSpecs/Terminators