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Performance measures on two-lane highways: Survey of practice

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  • Al-Kaisy, Ahmed
  • Jafari, Amirhossein
  • Washburn, Scott
  • Lutinnen, Tapio
  • Dowling, Richard

Abstract

Two-lane highways constitute a significant component of the highway system and serve an essential function for the movement of people and goods. The Highway Capacity Manual is primarily used for operational analysis on two lane highways in the U.S. and Canada. As part of a project sponsored by the National Cooperative Highway Research Program for improving two-lane highway operational analysis methodology, a practice survey was conducted to gather information on agency experiences in regards to performance measurement on two-lane highways. The survey was sent to all state Departments of Transportation in the United States and Canada. A total of 35 usable responses were received, representing 25 states and 4 Canadian provinces. This paper summarizes the results of the agency survey and presents the most important findings. Results suggest that the top three criteria for good performance measures are: sensitivity to traffic conditions, sensitivity to road conditions, and relevance to road user perception. Further, agencies identified average travel speed as the most relevant traffic flow aspect to two-lane highway operations. Other performance measures that were found meritorious were volume-to-capacity ratio and flow rate, for class I and class II highways, respectively, versus the latter measures and percent-time-spent-following for class III highways.

Suggested Citation

  • Al-Kaisy, Ahmed & Jafari, Amirhossein & Washburn, Scott & Lutinnen, Tapio & Dowling, Richard, 2018. "Performance measures on two-lane highways: Survey of practice," Research in Transportation Economics, Elsevier, vol. 71(C), pages 61-67.
    • Handle: RePEc:eee:retrec:v:71:y:2018:i:c:p:61-67
    DOI: 10.1016/j.retrec.2018.07.001
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    References listed on IDEAS

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    1. Al‐Kaisy, Ahmed & Freedman, Zachary, 2010. "Empirical Examination of Passing Lane Operational Benefits on Rural Two‐Lane Highways," Journal of the Transportation Research Forum, Transportation Research Forum, vol. 49(3).
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    Cited by:

    1. Hossein Samadi & Iman Aghayan & Khaled Shaaban & Farhad Hadadi, 2023. "Development of Performance Measurement Models for Two-Lane Roads under Vehicular Platooning Using Conjugate Bayesian Analysis," Sustainability, MDPI, vol. 15(5), pages 1-26, February.

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      More about this item

      Keywords

      Two-lane highways; Operational analysis; Performance measures; Survey;
      All these keywords.

      JEL classification:

      • R41 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Transportation Economics - - - Transportation: Demand, Supply, and Congestion; Travel Time; Safety and Accidents; Transportation Noise

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