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Jul 2, 2019
Urban Headway Frequency Distribution Model and Analysis Based on Dividing Traffic Flow Conditions
Authors: Hongwei Li [email protected], Yunyue Zhou [email protected], Sulan Li [email protected], and Changjiang Zheng [email protected]Author Affiliations
Publication: CICTP 2019
Abstract
Based on the idea of the M3 model, this paper constructs the corresponding headway distribution models under different traffic flow conditions (smooth/slow/congested) and establishes the ternary mixed headway distribution model. The chi square test is used to verify the models. On this basis, the paper analyzes the influence of the factors as the sections, road infrastructures and traffic flow conditions on headway distribution, and obtains the following conclusions: (1) the corresponding single headway frequency distribution models under different traffic flow conditions differ from each other; (2) for the sections with physical separations, the sections have no obvious influence on the headway frequency distribution; and (3) traffic flow conditions have large impacts on the headway frequency of roads that allow two-way crossover.
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© 2019 American Society of Civil Engineers.
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Published online: Jul 2, 2019
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College of Civil and Transportation Engineering, Hohai Univ., Xi Kang Rd. #1, Nanjing 210098, China. E-mail: [email protected]
College of Civil and Transportation Engineering, Hohai Univ., Xi Kang Rd. #1, Nanjing 210098, China. E-mail: [email protected]
School of Transportation, Wuhan Univ. of Technology, Heping Rd. #1178, Wuhan 430063, China. E-mail: [email protected]
College of Civil and Transportation Engineering, Hohai Univ., Xi Kang Rd. #1, Nanjing 210098, China. E-mail: [email protected]
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