NDLI: Investigation of a DSRC-based end of queue collision warning system by considering real freeway data

Content Provider	IET Digital Library
Author	Liu, Yang Wang, Zhong Li Cai, Bai Gen
Abstract	As a rapidly developing technology, dedicated short-range communications (DSRC) can facilitate the solution to increasingly outstanding traffic safety problems, especially for collision warning. The conventional collision warning system using DSRC is based on the kinematic model, which depends on accurate velocity and position information. However, the reliability of the system may be reduced due to low DSRC penetration rate, communication range constraint, and vehicle positioning error. In this study, a DSRC-based end of queue collision warning system is proposed without concerning position information. The warning criterion is defined according to the real traffic data rather than experimental data. According to the warning strategy, warning evaluation proves that the strategy is effective under low DSRC penetration rate condition. Despite the DSRC penetration rate, traffic and communication influential factors are also taken into consideration in the evaluation model. The warning performance under different weather conditions is analysed based on the simulation result. Comparison studies demonstrate that the proposed algorithm outperforms the variable speed limits warning strategy based on the loop detector.
Starting Page	108
Ending Page	114
Page Count	7
ISSN	1751956X
Volume Number	13
e-ISSN	17519578
Issue Number	Issue 1, Jan (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-its/13/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-its.2018.5045
Journal	IET Intelligent Transport Systems
Publisher Date	2018-09-06
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Alarm System Communication Influential Factors Communication Range Constraint Dedicated Short-range Communication DSRC-based End Freeway Data Kinematic Model Low DSRC Penetration Rate Condition Position Information Queue Collision Warning System Queueing Theory Road Safety Road Traffic Road Vehicle Traffic Data Traffic Engineering Computing Traffic Safety Problem Vehicle Positioning Error Velocity Information Warning Criterion Warning Performance Warning Strategy
Content Type	Text
Resource Type	Article
Subject	Law Transportation Environmental Science Mechanical Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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