Roadway Traffic Metering Functional Area

Description

Control equipment including ramp, interchange, and mainline meters and the dynamic message signs that provide information about the meters and any special bypass lanes.

Included In

TxDOT District Roadway Devices

Functional Requirements

IDRequirement
1The field element shall regulate the flow of traffic on ramps, interchanges, and the mainline, under center control.
2The 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.
3The field element shall return ramp, interchange, and mainline meter operational status to the controlling center.
4The field element shall provide indications to the driver that the metering system is active and provide safe transitions between active and inactive status.
5The field element shall return ramp, interchange, and mainline meter fault data to the maintenance center for repair.