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Modelling motorway merge: The current practice in the UK and towards establishing general principles

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  • Liu, Ronghui
  • Hyman, Geoff

Abstract

Motorway merging has been regarded as a major source of conflicts and congestion, but has long been recognised as an area in which modelling has been relatively weak. The current traffic models represent the traffic operations at a merge are based on gap-acceptance approach, with the merging traffic giving-way to traffic on the mainline carriageway and imposing little or no delay to the mainline traffic. The results tend to overestimate delays to the merging traffic, and underestimate delays and interruptions to the mainline traffic.

Suggested Citation

  • Liu, Ronghui & Hyman, Geoff, 2012. "Modelling motorway merge: The current practice in the UK and towards establishing general principles," Transport Policy, Elsevier, vol. 24(C), pages 199-210.
    • Handle: RePEc:eee:trapol:v:24:y:2012:i:c:p:199-210
    DOI: 10.1016/j.tranpol.2012.07.014
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    References listed on IDEAS

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    6. Liu, Ronghui & May, Tony & Shepherd, Simon, 2011. "On the fundamental diagram and supply curves for congested urban networks," Transportation Research Part A: Policy and Practice, Elsevier, vol. 45(9), pages 951-965, November.
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    Cited by:

    1. Bishal Dhakal & Ahmed Al-Kaisy, 2024. "An Empirical Evaluation of a New Heuristic Method for Identifying Safety Improvement Sites on Rural Highways: An Oregon Case Study," Sustainability, MDPI, vol. 16(5), pages 1-21, March.
    2. Qinaat Hussain & Charitha Dias & Ali Al-Shahrani & Intizar Hussain, 2022. "Safety Analysis of Merging Vehicles Based on the Speed Difference between on-Ramp and Following Mainstream Vehicles Using NGSIM Data," Sustainability, MDPI, vol. 14(24), pages 1-12, December.

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