Signal Preemption Strategy for Emergency Vehicles Using Vehicle to Infrastructure Communication
This paper evaluates and tests a new strategy to enable emergency response vehicles (EVs) to navigate through closely spaced signalized intersections more efficiently. The proposed strategy involves the use of vehicle-to-infrastructure communication to send messages to traffic signals for signal preemption to allow the EV to proceed through closely spaced signalized intersections as quickly as possible. This is achieved by preempting traffic signals in a specific order to discharge background traffic prior to the arrival of the emergency vehicle. The proposed method uses kinematic wave theory (i.e., shock wave theory) to determine when each intersection should be preempted. The proposed method is simulated in a microscopic traffic simulator for evaluation. The results show that this strategy can shorten the travel time significantly for EVs through congested signalized intersections.
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Supplemental Notes:
- This paper was sponsored by TRB committee AHB25 Traffic Signal Systems.
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Corporate Authors:
500 Fifth Street, NW
Washington, DC United States 20001 -
Authors:
- Jordan, Craig A
- Cetin, Mecit
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Conference:
- Transportation Research Board 94th Annual Meeting
- Location: Washington DC, United States
- Date: 2015-1-11 to 2015-1-15
- Date: 2015
Language
- English
Media Info
- Media Type: Digital/other
- Features: Figures; References; Tables;
- Pagination: 14p
- Monograph Title: TRB 94th Annual Meeting Compendium of Papers
Subject/Index Terms
- TRT Terms: Emergency vehicles; Microscopic traffic flow; Signalized intersections; Traffic signal preemption; Travel time; Vehicle to infrastructure communications
- Uncontrolled Terms: Shock waves (Traffic)
- Subject Areas: Highways; Operations and Traffic Management; I73: Traffic Control;
Filing Info
- Accession Number: 01558171
- Record Type: Publication
- Report/Paper Numbers: 15-5723
- Files: TRIS, TRB, ATRI
- Created Date: Mar 30 2015 9:33AM