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Analysis of Traffic Characteristics and Distance Optimization Design between Entrances and Exits of Urban Construction Projects and Adjacent Planar Intersections

Author

Listed:
  • Feng Xu

    (School of Civil Engineering and Architecture, Wuhan Institute of Technology, Wuhan 430074, China)

  • Weidi Xu

    (School of Civil Engineering and Architecture, Wuhan Institute of Technology, Wuhan 430074, China)

  • Xiaona Zhang

    (School of Civil Engineering and Architecture, Wuhan Institute of Technology, Wuhan 430074, China)

  • Yin Wang

    (School of Civil Engineering and Architecture, Wuhan Institute of Technology, Wuhan 430074, China)

  • Fu Wang

    (School of Civil Engineering and Architecture, Wuhan Institute of Technology, Wuhan 430074, China)

Abstract

Motor vehicle entrances/exits ensure the accessibility of traffic within urban construction projects, but the improper distance between adjacent sections can lead to vehicle queues at upstream or downstream intersections, causing congestion within the influence of the entrances and exits. It is necessary to improve the operational efficiency of entrances/exits and intersections of urban construction projects. The calculation models of the vehicle convergence section, intertwined section and queuing section are established based on the data fitting relationship curve, function relationship fitting and maximum likelihood estimation method. These are combined with the traffic characteristics of vehicles and a statistical analysis of traffic flow survey data, and the models are developed according to the equal speed offset cosine curve function, queuing theory and traffic flow fluctuation theory. Based on the analysis of the traffic flow characteristics, the minimum distance value is calculated, and the recommended value is obtained. The VISSIM simulation parameters are calibrated according to the survey data, and then the simulation is carried out and the results are output. The results show that the output values of each index are improved under the calculated distance, indicating that the study has certain significance for improving the traffic conditions and operational efficiency at entrances/exists and intersections, which verifies the applicability and effectiveness of the theoretical model proposed in this paper.

Suggested Citation

  • Feng Xu & Weidi Xu & Xiaona Zhang & Yin Wang & Fu Wang, 2023. "Analysis of Traffic Characteristics and Distance Optimization Design between Entrances and Exits of Urban Construction Projects and Adjacent Planar Intersections," Sustainability, MDPI, vol. 15(11), pages 1-24, May.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:11:p:8656-:d:1156690
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    References listed on IDEAS

    as
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