Journal of South China University of Technology (Natural Science Edition) ›› 2015, Vol. 43 ›› Issue (4): 20-27.doi: 10.3969/j.issn.1000-565X.2015.04.004

• Traffic & Transportation Engineering • Previous Articles     Next Articles

Estimationof Expressway Section Travel Time Based on Correction Algorithm

Shen Lü-ou1,2 Zhuang Yan-hao1 Liu Wei-ming1 Wu Wei-tiao1   

  1. 1． School of Civil Engineering and Transportation，South China University of Technology，Guangzhou 510640，Guangdong，China;2． School of Transportation and Logistics，Southwest Jiaotong University，Chengdu 610031，Sichuan，China
  • Received:2014-05-26 Revised:2014-11-03 Online:2015-04-25 Published:2015-03-03
  • Contact: 刘伟铭(1963-)，男，教授，主要从事交通信息工程及控制研究． E-mail:mingweiliu@126.com
  • About author:浓旅欧(1978-)，男，副教授，主要从事交通信息工程及控制研究． E-mail: 479298213@ qq． com
  • Supported by:
    Supported by the National Natural Science Foundation of China (NSFC) (61174188)

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Abstract: In the existing expressway toll collection systems，the estimated section travel time based on original toll records is inaccurate，which may reduce the estimation accuracy of traffic flow． In order to solve this problem，a new travel time estimation algorithm，which calculates the space-time coordinate displacement of vehicles according to the trajectory method and adjusts the travel time by taking the section length as the weight，is proposed． The algorithm is then applied to an expressway toll collection system． The results show that the proposed algorithm helps to obtain an estimated travel time close to the actual one．

Key words: traffic engineering, expressway, travel time estimation, toll collection system, trajectory method, cor-rection algorithm