Roadway Warning Functional Area

Description

Field elements used to warn drivers approaching hazards including adverse road weather conditions, traffic conditions including queues, and obstacles or animals in the road.

Included In

Caltrans D6 Vehicle Detection Systems
Caltrans D6 Changeable Message Sign

Functional Requirements

IDRequirement
1The field element shall monitor for hazardous traffic conditions, including queues.
2The field element shall monitor for hazardous road surface and local weather conditions.
3The field element shall monitor for debris, animals, or other objects in the travel lanes.
4The field element shall provide collected sensor data to the controlling center.
5The field element shall autonomously identify potentially hazardous conditions and activate warning signs to approaching motorists.
6The field element shall receive commands from the controlling center that activate warning signs to approaching motorists.
7The field element shall collect operational status of the warning system field equipment and report the operational status to the controlling center.
8The field element shall monitor and report faults to the controlling center.