ramp_list

This data flow is used within the Manage Traffic function and contains a list of the ramps to which a particular traffic control strategy is to be applied. The ramps are served by ramp metering equipment which has the ability to control vehicle access to the highway. The data flow consists of the following data items each of which is defined by its own DDE:

list_size
+ 1{ramp_identity}list_size

Sub Data Flows

• list_size
• ramp_identity

Parent Data Flows

• ramp_data
• ramp_signal_state
• selected_emergency_vehicle_strategy
• selected_ramp_control_strategy

Associated PSpecs/Terminators

• None