Roadway Speed Monitoring

Vehicle speed sensors that detect excessive vehicle speeds, informing drivers, centers and/or enforcement agencies of speed violations.

1. The field element shall include sensors to detect vehicle speeds, under traffic or maintenance center control.
2. If the speed detected by vehicle speed sensors is determined to be excessive, the field element shall provide a safe speed advisory to passing drivers via a driver information system (such as portable messages signs, field to vehicle communications to in-vehicle signing systems, etc.).
3. The field element shall return operational status for the vehicle speed sensors to the enforcement agency.
4. The field element shall return fault data for the vehicle speed sensors to the controlling center for repair.