Roadway Signal Controls Functional Area

Description

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

Included In

Local City Field Equipment
Yakima Field Equipment
Yakima County Field Equipment
WSDOT Field Equipment

Functional Requirements

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