Click on a Project Inventory element from the list above to view functional requirements.
Roadway Traffic Metering
- The field element shall regulate the flow of traffic on ramps, interchanges, and the mainline, under center control.
- 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.
- The field element shall provide indications to the driver that the metering system is active and provide safe transitions between active and inactive status.
TMC Traffic Metering
- The center shall remotely control systems to manage use of the freeways, including ramp, interchange, and mainline metering.
- The center shall collect operational status from ramp meters, interchange meters, and mainline meters and compare against the control information sent by the center.
- The center shall collect fault data from ramp meters, interchange meters, and mainline meters.
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