Roadway Traffic Metering
'Roadway Traffic Metering' includes the field equipment used to meter traffic on ramps, through interchanges, and on the mainline roadway. The equipment includes dynamic messages signs to provide guidance and information to drivers at and approaching a meter, including information for any special bypass lanes.
- The field element shall return ramp, interchange, and mainline meter operational status to the controlling center.
- The field element shall regulate the flow of traffic on ramps, interchanges, and the mainline, under center control.