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RTA logo Regional Transit Signal Priority Location Study

Study Description

Transit Signal Priority (TSP) is a tool that can improve bus service and operating efficiency while complementing the region┐s ongoing efforts to relieve traffic congestion. In order to ensure regional coordination for this promising technology, the RTA is leading a comprehensive effort knows as the Regional Transit Signal Priority Integration Plan. The goal of the plan, which is being undertaken in conjunction with CTA and Pace field demonstrations, is to provide a framework for the implementation of a regionally integrated TSP system. Plan objectives include development of regional standards and guidelines for design, implementation, operation and maintenance of a multi-jurisdictional TSP system. The TSP Location Study is a crucial element of the overall integration plan. The purpose of the Location Study is to identify and effectively coordinate the location of suitable sites for deployment of an integrated TSP system throughout the RTA region. The study was completed in two phases. In Phase I of the Location Study, a universe of candidate segments was identified and a sample of those segments was selected for more detailed evaluation in Phase II. In Phase II of the Location Study, the influence of TSP was evaluated on these segments using the microscopic simulation model VISSIM. Phase II documents critical operational and institutional elements to help guide TSP deployment throughout Northeastern Illinois.

Program:Intelligent Transportation Systems
Current Activities:Phase I was completed in December 2000. Phase II was completed in June 2003.
Information Updated:September 2008
Study Documents
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