- ISSN 0258-2724
- CN 51-1277/U
- EI Compendex
- Scopus
- Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
- Chinese S&T Journal Citation Reports
- Chinese Science Citation Database
| Citation: | HU Liwei, PAN Jiangxiong, FU Xin, YANG Can, WU Jiabao. Comparative Analysis of Traffic Conflict Modelling and Classification Results for Slow-Moving Heterogeneous Groups in Bus Stop Areas[J]. Journal of Southwest Jiaotong University. doi: 10.3969/j.issn.0258-2724.20240230
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Bus stops play a role in the connection and transfer in the travel chain of residents, and the density of slow-moving heterogeneous groups in their areas is high, thus increasing the possibility of traffic conflicts among them. Existing studies focus on traffic conflicts in bus stop areas, but the traffic conflict causation of slow-moving heterogeneous groups in bus stop areas and the heterogeneity among the factors are not explored. By taking four types of bus stops in Kunming as the research object, data of 20 bus stops from December 2022 to March 2023 was collected, and the movement characteristics of slow-moving heterogeneous groups were analyzed. The severity of conflicts was determined based on the Dutch objective conflict technique for operation and research (DOCTOR) method, and a random parameter Logit model was constructed in consideration of the mean and variance heterogeneity. The results show that in random parameter distributions, the lateral conflict and non-motorized lane width for pedestrians obey normal distributions with means of 0.455 and −0.541 and variances of 0.8722 and 1.2142, respectively. The yielding and high speed of cyclists obey normal distributions with means of −0.399 and 0.745 and variances of 1.2742 and 1.0432, respectively. In mean heterogeneity, there is mean heterogeneity for lateral conflicts with respect to the high speed of pedestrians and for non-motorized lane width at island linear bus stops, and there is mean heterogeneity for yielding of cyclists with respect to riding on sidewalks and for the high speed of cyclists with respect to the cyclist density. In variance heterogeneity, there is variance heterogeneity for the parameter of non-motorized lane width among the elderly and for the parameter of the high speed among female cyclists. The average marginal effect coefficients were further calculated to quantify the extent to which the factors contributed to the severity of traffic conflicts. After analysis, the probability of a serious traffic conflict is the highest for dismounted passengers in the pedestrian group and for reverse cyclists in the cyclist group.
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