San Antonio Regional ITS Architecture


Menu
Texas Home
Region Home
Stakeholders
ITS Inventory
Inventory by Stakeholder
Inventory by Entity
Sausage Diagram
Market Packages by Functional Area
Market Package Descriptions
Equipment Package Descriptions
Architecture Flow Descriptions
Project Documents
Send Your Comments

 

 

Equipment Package: On-board Transit Signal Priority

Description: This on-board equipment package provides the capability for transit vehicles to request signal priority at signalized intersections, ramps, and interchanges through short range communication directly with traffic control equipment at the roadside.
Included In: ART Demand Response Vehicles
ART Deviated Fixed Route Vehicles
CCSWT Demand Response Vehicles
CCSWT Deviated Fixed Route Vehicles
VIA Bus
Functional Requirements 1 - The transit vehicle shall determine the schedule deviation and estimated times of arrival (ETA) at transit stops.
2 - The transit vehicle shall send priority requests to traffic signal controllers at intersections, pedestrian crossings, and multimodal crossings on the roads (surface streets) and freeway (ramp controls) network that enable a transit vehicle schedule deviation to be corrected.
3 - The transit vehicle shall send the schedule deviation data and status of priority requests to the transit vehicle operator.

Last updated: 08-15-07