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Examining the Effect of Connecting Auxiliary Lanes on Mitigation of Expressway Traffic Congestion

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Abstract

This paper examines the effects produced by connecting and changing the line of auxiliary lanes on lane utilization, bottleneck capacity and mitigation of traffic congestion on the expressway. It was found that the longitudinal utilization of the auxiliary lane increased in the range of 2–9% after continuous connection compared to that before. The average breakdown flow at the inbound bottleneck increased by 6% (190 vph) and at the outbound bottleneck increased by 3% (100 vph). Finally, the total delay was reduced by 24% in the inbound direction, 62% in the outbound direction, and on average 33% in both directions, consequently reducing the total delay caused by traffic congestion.

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Authors and Affiliations

  1. Central Nippon Expressway Company Limited, 1-1 Suehiro-machi, Hadano, Kanagawa, 257-0037, Japan

    Hisanaga Sato

  2. Express Highway Research Foundation of Japan, 2-11-10 Minami-Azabu, Minato-ku, Tokyo, 106-0047, Japan

    Jian Xing

  3. Central Nippon Expressway Company Limited, 2-18-19 Nishiki, Naka-ku, Nagoya, 460-0003, Japan

    Shinichiro Tanaka & Kazuteru Morikita

Authors
  1. Hisanaga Sato
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  2. Jian Xing
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  3. Shinichiro Tanaka
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  4. Kazuteru Morikita
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Correspondence to Jian Xing.

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Sato, H., Xing, J., Tanaka, S. et al. Examining the Effect of Connecting Auxiliary Lanes on Mitigation of Expressway Traffic Congestion. Int. J. ITS Res. 9, 55–63 (2011). https://doi.org/10.1007/s13177-011-0031-3

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  • DOI: https://doi.org/10.1007/s13177-011-0031-3

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