Austin Regional ITS Architecture

Roadway Signal Controls Functional Area

Description

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

Included In

TxDOT Austin District Signals

City of Austin CCTV Cameras

TxDOT Austin District CCTV Cameras

City of Austin Traffic Signals

Municipal ITS Field Equipment

City of Austin School Programmable Flasher System

City of Round Rock School Programmable Flasher Systems

Municipal School Programmable Flasher Systems

City of Round Rock CCTV Cameras

City of Round Rock Traffic Signals

County ITS Field Equipment

City of San Marcos CCTV Cameras

City of San Marcos Traffic Signals

City of Cedar Park CCTV Cameras

City of Cedar Park Traffic Signals

City of Georgetown CCTV Cameras

City of Georgetown Traffic Signals

City of Cedar Park School Programmable Flasher Systems

City of Georgetown School Programmable Flasher Systems

City of San Marcos School Programmable Flasher Systems

City of Austin Dynamic Lane Assignment Signals

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.