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Traffic signal priority/preemption control with colored Petri nets

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3 Author(s)
Lefei Li ; Arizona Univ., Tucson, AZ, USA ; Wei-Hua Lin ; Hongchao Liu

A colored Petri net (CPN) model for traffic signal priority/preemption is described. The model incorporates the priority/preemption request of transit vehicles into traffic signal control. Compared with 'uncolored' Petri nets (PN), CPN provides a broader modeling capability for traffic signal priority control. A simple priority evaluation procedure is proposed to provide different priorities to multiple priority requests. An example for the queue jump phase modeled with CPN is presented.

Published in:

Intelligent Transportation Systems, 2005. Proceedings. 2005 IEEE

Date of Conference:

13-15 Sept. 2005

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