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Simulating pedestrian movements at signalized crosswalks in Hong Kong

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  • Lee, Jodie Y.S.
  • Lam, William H.K.

Abstract

This paper presents a new pedestrian simulation (PS) model for signalized crosswalks in Hong Kong. This PS model is capable of estimating the variations of walking speed particularly on the effects of bi-directional pedestrian flows so as to determine the minimum required duration of pedestrian crossing time. Video records taken from the observational surveys at the selected crosswalk in urban area were used to extract the required data for model calibration. It was found that the design walking speed for signalized crosswalks should be varied by the effects of the bi-directional pedestrian flows. It was also interesting to note that the negative impact of the bi-directional flow effects (ranging from uni-directional to bi-directional pedestrian flows) on the chance of pedestrian crossing the crosswalk is increasing from free-flow to at-capacity flow conditions. The new PS model is also validated using an independent data set so as to examine the reliability of the simulation results. The validation results show that the new PS model can provide an accurate evaluation on the changes of walking speed and its standard deviation under different scenarios with particular emphasis on the effects of the bi-directional pedestrian flows. The advancement of this PS model can be applied to assess the effects of each improvement measure and to evaluate the benefits of each scenario in practice.

Suggested Citation

  • Lee, Jodie Y.S. & Lam, William H.K., 2008. "Simulating pedestrian movements at signalized crosswalks in Hong Kong," Transportation Research Part A: Policy and Practice, Elsevier, vol. 42(10), pages 1314-1325, December.
    • Handle: RePEc:eee:transa:v:42:y:2008:i:10:p:1314-1325
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    References listed on IDEAS

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    1. Li, Qingfeng & Wang, Zhaoan & Yang, Jianguo & Wang, Jinmei, 2005. "Pedestrian delay estimation at signalized intersections in developing cities," Transportation Research Part A: Policy and Practice, Elsevier, vol. 39(1), pages 61-73, January.
    2. William Lam & Jodie Lee & C. Cheung, 2002. "A study of the bi-directional pedestrian flow characteristics at Hong Kong signalized crosswalk facilities," Transportation, Springer, vol. 29(2), pages 169-192, May.
    3. Lam, William H. K. & Lee, Jodie Y. S. & Chan, K. S. & Goh, P. K., 2003. "A generalised function for modeling bi-directional flow effects on indoor walkways in Hong Kong," Transportation Research Part A: Policy and Practice, Elsevier, vol. 37(9), pages 789-810, November.
    4. Blue, Victor J. & Adler, Jeffrey L., 2001. "Cellular automata microsimulation for modeling bi-directional pedestrian walkways," Transportation Research Part B: Methodological, Elsevier, vol. 35(3), pages 293-312, March.
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    Citations

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    Cited by:

    1. Irina MAKAROVA & Rifat KHABIBULLIN & Vadim MAVRIN & Eduard BELYAEV, 2016. "Simulation Modeling In Improving Pedestrians’ Safety At Non-Signalized Crosswalks," Transport Problems, Silesian University of Technology, Faculty of Transport, vol. 11(4), pages 139-150, December.
    2. Xin, Xiuying & Jia, Ning & Zheng, Liang & Ma, Shoufeng, 2014. "Power-law in pedestrian crossing flow under the interference of vehicles at an un-signalized midblock crosswalk," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 406(C), pages 287-297.
    3. Tipakornkiat, Chalat & Limanond, Thirayoot & Kim, Hyunmyung, 2012. "Determining an influencing area affecting walking speed on footpath: A case study of a footpath in CBD Bangkok, Thailand," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 391(22), pages 5453-5464.
    4. Lili Lu, A. & Gang Ren, B. & Wei Wang, C. & Ching-Yao Chan, D., 2015. "Application of SFCA pedestrian simulation model to the signalized crosswalk width design," Transportation Research Part A: Policy and Practice, Elsevier, vol. 80(C), pages 76-89.
    5. Kim, Inhi & Galiza, Ronald & Ferreira, Luis, 2013. "Modeling pedestrian queuing using micro-simulation," Transportation Research Part A: Policy and Practice, Elsevier, vol. 49(C), pages 232-240.

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