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Implementing the maximum likelihood methodology to measure a driver's critical gap

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Listed:
  • Tian, Zongzhong
  • Vandehey, Mark
  • Robinson, Bruce W.
  • Kittelson, Wayne
  • Kyte, Michael
  • Troutbeck, Rod
  • Brilon, Werner
  • Wu, Ning

Abstract

Most of the capacity calculation procedures for two-way stop-controlled (TWSC) intersections are based on gap acceptance models. Critical gap is one of the major parameters for gap acceptance models. The accuracy of capacity estimation is mainly determined by the accuracy of the critical gap. This paper focuses on the implementation of the maximum likelihood technique to measure a driver's critical gap using field data. A methodology to define gap events is proposed, so that the accepted gaps and maximum rejected gaps required by the maximum likelihood technique could be obtained. Specific issues regarding multi-lane situations and major street right turn movement are discussed. Special conditions observed during the research are addressed when the proposed method cannot be applied directly, such as the existence of a mid-block refuge area where minor street drivers can seek gaps in a two-stage process, pedestrian blockage, and downstream queue spill back. The proposed method was adopted in measuring critical gap under US conditions during a research project, described by Kyte et al. (1996). ©

Suggested Citation

  • Tian, Zongzhong & Vandehey, Mark & Robinson, Bruce W. & Kittelson, Wayne & Kyte, Michael & Troutbeck, Rod & Brilon, Werner & Wu, Ning, 1999. "Implementing the maximum likelihood methodology to measure a driver's critical gap," Transportation Research Part A: Policy and Practice, Elsevier, vol. 33(3-4), pages 187-197, April.
    • Handle: RePEc:eee:transa:v:33:y:1999:i:3-4:p:187-197
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    Cited by:

    1. Tanyel, Serhan & Yayla, Nadir, 2003. "A discussion on the parameters of Cowan M3 distribution for Turkey," Transportation Research Part A: Policy and Practice, Elsevier, vol. 37(2), pages 129-143, February.
    2. Tanackov, Ilija & Deretić, Nemanja & Bogdanović, Vuk & Ruškić, Nenad & Jović, Srđan, 2018. "Safety time in critical gap of left turn manoeuvre from priority approach at TWSC unsignalized intersections," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 505(C), pages 1196-1211.
    3. Hainen, Alex, 2016. "Investigating Mixed Logit Analysis of Critical Headways at a Single-Lane Instrumented Roundabout," Journal of the Transportation Research Forum, Transportation Research Forum, vol. 55(3), December.
    4. Arshad Jamal & Muhammad Ijaz & Meshal Almosageah & Hassan M. Al-Ahmadi & Muhammad Zahid & Irfan Ullah & Rabia Emhamed Al Mamlook, 2022. "Implementing the Maximum Likelihood Method for Critical Gap Estimation under Heterogeneous Traffic Conditions," Sustainability, MDPI, vol. 14(23), pages 1-13, November.

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