Design and Implementation of Emergency Vehicle Signal Preemption System Based on Cooperative Vehicle-Infrastructure Technology
2013
Emergency vehicle such as ambulance or fire truck is an important part of traffic flow. The efficiency, reliability and safety of emergency vehicle operations dropped due to increasing traffic congestion. This paper describes the design and implementation of an Emergency Vehicle Signal Preemption System (TJ-EVSP) in a Cooperative Vehicle-Infrastructure System (CVIS) environment. The system function, system architecture and operation strategies were presented. Then, the system was deployed and validated at two adjacent intersections in Taicang City, Jiangsu Province. Results show that the proposed system can improve the efficiency of emergency vehicle operations with less waste of traffic resources.
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