Roadway Traffic Metering Functional Area
Control equipment including ramp, interchange, and mainline meters and the dynamic message signs that provide information about the meters and any special bypass lanes.
|1||The field element shall regulate the flow of traffic on ramps, interchanges, and the mainline, under center control.|
|2||The field element shall monitor operation of ramp, interchange, and mainline meters and report to the center any conflicts between received control plans and current system operation.|
|3||The field element shall return ramp, interchange, and mainline meter operational status to the controlling center.|
|4||The field element shall provide indications to the driver that the metering system is active and provide safe transitions between active and inactive status.|
|5||The field element shall return ramp, interchange, and mainline meter fault data to the maintenance center for repair.|