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
Functional Requirements
| ID | Requirement |
|---|
| 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. |