A Study on Macroscopic Mechanism of Traffic Accident Occurrence caused by Mismatch between Road Function and Roadside Land Use

Kawakami, Yoji; Honda, Yoshiaki; Takeuchi, Denshi; Mitsuo, Iwasaki

doi:10.2208/journalip.9.165

Cited by 1 publication

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“…Currently, the definition of urban road functions is not entirely clear, especially in the case of studies related to branch roads [12]. Existing research on the classification of urban road functions often revolves around factors such as road traffic conditions and the nature of the surrounding land [13]. Such research tends to overlook the functional designation of different roads during the planning phase.…”

Section: Literature Reviewmentioning

confidence: 99%

“…Such research tends to overlook the functional designation of different roads during the planning phase. Based on a synthesis of various studies and in conjunction with the functional evaluation objectives in this paper, the specific characterization of branch road functions can be summarized as follows: branch roads primarily emphasize service functions based on accessibility characteristics, with transportation functions serving as secondary [12][13][14]. When travelers are walking to the bus stop of their target bus route, a shorter walking distance is expected, which is an intuitive expression of the demand for service functions.…”

Section: Literature Reviewmentioning

confidence: 99%

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Quantifying Bus Accessibility and Mobility for Urban Branches: A Reliability Modeling Approach

Tong,

Du,

Yan

et al. 2023

Sustainability

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In order to quantitatively assess the realization degree of urban branch road function, an evaluation method based on reliability theory was established. Firstly, the main characteristics of urban branch road functions, that is, emphasizing accessibility while maintaining mobility, were analyzed. Based on common road network patterns, the branch road network between adjacent higher-level roads was selected as the research object. Public transportation, which is more representative of accessibility, was considered in the evaluation method. Then, a reliability model for branch road function evaluation was proposed, in which walking distance and travel time by bus were taken as the main indicators. Combining Dijkstra algorithm and Monte Carlo simulation, the model was solved. The feasibility of the method was verified through a case study of two branch road units. Then, influences of road network density, connectivity, and bus route layout on the reliability of branch road unit functions were clarified by sensitivity analysis. Results showed that the reliability of the branch unit exhibited a trend of initially increasing and then decreasing with the growth of road network density and connectivity, which indicated that excessively high road network density may hinder the performance of the branch road unit. Adjusting the layout of bus routes within branch road units and expanding the service area of bus routes can enhance reliability. Finally, some suggestions for optimizing branch road unit reliability were provided.

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Section: Literature Reviewmentioning

confidence: 99%

Section: Literature Reviewmentioning

confidence: 99%