Journal of Northeastern University Natural Science ›› 2020, Vol. 41 ›› Issue (10): 1509-1516.DOI: 10.12068/j.issn.1005-3026.2020.10.021

• Management Science • Previous Articles     Next Articles

Fuzzy Criteria Method of Level of Service for Bus Rapid Transit

HUO Yue-ying1,2, LI Wen-quan3, LI Xiao-juan1, CHEN Guo-qing2   

  1. 1. Transportation Institute, Inner Mongolia University, Hohhot 010070, China; 2. School of Mathematical Science, Inner Mongolia University, Hohhot 010021, China; 3. School of Transportation, Southeast University, Nanjing 211189, China.
  • Received:2019-10-14 Revised:2019-10-14 Online:2020-10-15 Published:2020-10-20
  • Contact: LI Wen-quan
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Abstract: The method of establishing fuzzy levels of service (LOS) criteria for bus rapid transit (BRT) was developed, whose steps included classifying measures, constructing membership matrix and drawing membership function diagrams. Select arrival time, waiting time and bus speed as evaluation indicators. BRT passenger travel surveys were conducted using a self-developed transit travel survey system. Based on the data collected from the surveys, BRT fuzzy LOS criteria were established using the developed method. Some findings were concluded by comparing the hard LOS criteria currently used worldwide:fuzzy LOS criteria eliminate clear boundaries and use membership to reflect to what extent the measures belong to different LOS grades; the changes of LOS due to the changes of measure values can be reflected by continuous changes of membership, thus fuzzy LOS criteria can avoid the shortcomings of the hard LOS criteria.

Key words: level of service criteria, fuzzy criteria, membership, BRT, transit level of service

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