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Study on the Distribution Law and Speed Limit of Night Speed in Expressway Maintenance Area

Yong HuangDaqing FangFuliang TanMinglu TaoDaoguang SiYang Shu

Anhui Transportation holding Group Co., Ltd

摘要:In order to reasonably determine the maximum and minimum vehicle speed limit values at night and ensure the driving safety in the maintenance area of expressway, the distribution law of vehicle speed at night in the maintenance area of expressway is studied.Based on the investigation of one-way lane closure construction in the four-lane maintenance area of expressway, the location speed of the main traffic control area in the night maintenance area is analyzed, and the average speed, 85% vehicle speed, the speed difference in different areas and the speed difference in heavy-duty vehicle(HDV) and light-duty vehicle(LDV) workshops are determined. The results show that the standard deviation of vehicle speed distribution from warning area to transition zone to construction area is obviously reduced, and the speed difference between HDV and LDV is also obviously reduced. Finally, according to the distribution characteristics of night speed, the night speed limit model of maintenance operation area is given, the speed limit values of different models are calculated respectively, and the night perceived speed model is used to modify the speed limit value.
会议名称:

2019国际科技创新学术交流大会暨交通运输工程与管理研讨会

会议时间:

2019-12-20

会议地点:

中国广东广州

  • 专辑:

    工程科技Ⅱ辑

  • 专题:

    公路与水路运输

  • DOI:

    10.26914/c.cnkihy.2019.058320

  • 分类号:

    U418

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