Roadway Warning Functional Area

Description

'Roadway Warning' includes the field equipment used to warn drivers approaching hazards on a roadway. Warnings may be generated in response to roadway weather conditions, road surface conditions, traffic conditions including queues, obstacles or animals in the roadway, and any other transient events that can be sensed. The equipment monitors traffic and roadway conditions and may send data to a Traffic Management Center for processing or may process it to determine when a warning should be issued. When it is determined that a warning should be issued, the equipment is used to alert approaching drivers via dynamic warning signs, flashing lights, in–vehicle messages, etc.

Included In

TxDOT – Dallas District Roadway Devices
TxDOT – Fort Worth District Roadway Devices

Functional Requirements

IDRequirement
01The field element shall monitor for hazardous traffic conditions, including queues.
02The field element shall monitor for hazardous road surface and local weather conditions.
03The field element shall monitor for debris, animals, or other objects in the travel lanes.
04The field element shall provide collected sensor data to the controlling center.
05The field element shall autonomously identify potentially hazardous conditions and activate warning signs to approaching motorists.
06The field element shall receive commands from the controlling center that activate warning signs to approaching motorists.
07The field element shall collect operational status of the warning system field equipment and report the operational status to the controlling center.
08The field element shall monitor and report faults to the controlling center.