Roadway Signal Controls

Description

Field elements including traffic signal controllers for use at signalized intersections; also supports pedestrian crossings.

Included In

Local Roadway Devices
North Texas Tollway Authority Roadway Devices
Passenger Airport Roadway Devices
TxDOT District Roadway Devices

Functional Requirements

ID Requirement
1 The field element shall control traffic signals under center control.
2 The field element shall respond to pedestrian crossing requests by accommodating the pedestrian crossing.
3 The field element shall provide the capability to notify the traffic management center of pedestrian calls and pedestrian accommodations.
4 The field element shall report the current signal control information to the center.
5 The field element shall report current preemption status to the center.
6 The field element shall return traffic signal controller operational status to the center.
7 The field element shall return traffic signal controller fault data to the center.
8 The field element shall report current transit priority status to the center.