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On-board Transit Signal Priority Equipment Package

 Architecture Geographic Scope

Description:

 This Equipment package provides the capability for transit vehicles to request signal priority through short range communication directly with traffic control equipment at the roadside.

 

Included in:

 CDTA Transit Vehicles

Processes:
4.1.2.5Request Transit Vehicle Priorities
  

User Service Requirements (fully or partially addressed):

2.0PUBLIC TRANSPORTATION MANAGEMENT
2.1.0ITS shall include a Public Transportation Management (PTM) function.
2.1.1PTM shall include an Operation of Vehicles and Facilities (OVF) function that provides computer assisted control of the operation of vehicles and their associated facilities.
2.1.1.2OVF shall include a Command and Control (CC) capability.
2.1.1.2.1CC shall provide the capability for real-time Vehicle Command and Control (VCC).
2.1.1.2.1.4VCC shall provide the capability to automatically issue corrective instructions to the driver including, but not limited to, the following:
2.1.1.2.2When CC detects a vehicle(s) has deviated from schedule it shall provide the capability to automatically determine the optimum scenario for returning the vehicle or fleet to schedule.
2.1.1.2.3CC shall include an integrated traffic control capability that provides traffic signal preemption when required for schedule adjustment to Transit Vehicles at traffic signals (i.e., centralized or distributed).
  
The detailed process and user service requirement traceability information on this page was extracted from the National ITS Architecture. Consult the National ITS Architecture web site for more information.
Last Update: 09-15-2003