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Effects of capacity and transit improvements on traffic and transit operations

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  • Andalib Shams
  • Milan Zlatkovic

Abstract

Transportation agencies are facing problems of inadequate capacities to meet growing traffic demand. Street widening, signal operations optimization, innovative designs and multimodal transportation modes are traffic management strategies that can improve traffic operations along congested corridors. The goal of this paper is to assess future 2040 traffic and transit conditions along sections of Redwood Road in Salt Lake County, Utah, and develop and test potential operational improvements through VISSIM traffic simulation. Potential improvements, such as street widening, signal optimization, transit exclusive lanes with Transit Signal Priority (TSP) and adding a Continuous Flow Intersection (CFI) are analyzed. The improvements tested showed potential for reducing vehicular travel times between 6% to 20%, and delays 25% to 35%. Transit travel times reduced up to 40%, with delay reductions up to 60%. A combination of different strategies has the potential to improve traffic and transit operations along the busiest sections of Redwood Road.

Suggested Citation

  • Andalib Shams & Milan Zlatkovic, 2020. "Effects of capacity and transit improvements on traffic and transit operations," Transportation Planning and Technology, Taylor & Francis Journals, vol. 43(6), pages 602-619, August.
    • Handle: RePEc:taf:transp:v:43:y:2020:i:6:p:602-619
    DOI: 10.1080/03081060.2020.1780710
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    Cited by:

    1. Binghong Pan & Shangru Liu & Zhenjiang Xie & Yang Shao & Xiang Li & Ruicheng Ge, 2021. "Evaluating Operational Features of Three Unconventional Intersections under Heavy Traffic Based on CRITIC Method," Sustainability, MDPI, vol. 13(8), pages 1-30, April.
    2. Nikoleta Mikušová & Gabriel Fedorko & Vieroslav Molnár & Martina Hlatká & Rudolf Kampf & Veronika Sirková, 2021. "Possibility of a Solution of the Sustainability of Transport and Mobility with the Application of Discrete Computer Simulation—A Case Study," Sustainability, MDPI, vol. 13(17), pages 1-24, September.
    3. Binghong Pan & Shasha Luo & Jinfeng Ying & Yang Shao & Shangru Liu & Xiang Li & Jiaqi Lei, 2021. "Evaluation and Analysis of CFI Schemes with Different Length of Displaced Left-Turn Lanes with Entropy Method," Sustainability, MDPI, vol. 13(12), pages 1-27, June.

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