• Accid Anal Prev · Mar 2018

    Evaluating the impact of Mobike on automobile-involved bicycle crashes at the road network level.

    • Ye Li, Lu Xing, Wei Wang, Mingzhang Liang, and Hao Wang.
    • School of Transportation, Southeast University, 2 Si pai lou, Nanjing 210096, PR China. Electronic address: yeli@seu.edu.cn.
    • Accid Anal Prev. 2018 Mar 1; 112: 69-76.

    AbstractAs a booming system, free-floating bicycle-sharing (denoted as Mobike) attracts a large number of users due to the convenient utilization procedure. However, it brings about a rapid increase of bicycle volume on roadways, resulting in safety problems especially on road segments shared by automobiles and bikes. This study aimed to evaluate impacts of Mobike on automobile-involved bicycle crashes on shared roadways at a macro level, the network level. Relation between traffic volumes and crashes was first established. Then, the travel mode choice before and after supplying Mobike in the market was analyzed, based on which the multi-class multi-modal user equilibrium (MMUE) models were formulated and solved. Two attributes of Mobike, supply quantity and fare, were investigated via various scenarios. Results suggested the Mobike attracted more walkers than auto-users in travel mode choices, which caused the volume increase of bicycles but few volume decline of automobiles and resulted in more crashes. The supply quantity of Mobike had a negative impact on safety, while the fare had a positive effect. The total supply of Mobike in the market should be regulated by governments to avoid over-supply and reduce bicycle crashes. The fares should be also regulated by including taxes and insurances, which can be used to build up more separated bicycle facilities and cover the Mobike accidents, respectively. The findings of this study provide useful information for governments and urban transportation managers to improve bicycle safety and regulate the Mobike market.Copyright © 2018 Elsevier Ltd. All rights reserved.

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