Chapter
Dec 14, 2021
Research on Method of Post-Speed Limit Value Determining of Freeway
Authors: Kai Guo [email protected], Nathanael Melkisedek Coulibaly [email protected], Jing Cai [email protected], and Xiao-Fei Wang [email protected]Author Affiliations
Publication: CICTP 2021
ABSTRACT
To reduce the probability and severity of accidents, improve traffic capacity, and ensure efficient operation of traffic flow, the speed limit has become an important means of highway traffic management. Based on the systematic analysis of the existing methods to determine the speed limit value, a posted speed limit value determining model has been proposed in the paper. First, the flat curve, the vertical curve, and the free flow of traffic are taken as reference values for limiting vehicle speed. Second, after comprehensively considering the influence of roadbed cross-section, traffic composition, pavement conditions, large structures, traffic accidents, and operating speed coordination as a correction factor, a multi-factor speed limit value determination model is constructed and verified by engineering examples.
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Published In
CICTP 2021
Pages: 1392 - 1400
History
Published online: Dec 14, 2021
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1State Key Laboratory of Bridge Engineering Structural Dynamics (Key Laboratory of Bridge Earthquake Resistance Technology), Ministry of Communications, Chongqing, P.R. China; School of Civil Engineering and Transportation, South China Univ. of Technology, Guangzhou, Guangdong, P.R. China. Email: [email protected]
2School of Civil Engineering and Transportation, South China Univ. of Technology, Guangzhou, Guangdong, P.R. China. Email: [email protected]
3School of Civil Engineering and Transportation, South China Univ. of Technology, Guangzhou, Guangdong, P.R. China. Email: [email protected]
4School of Civil Engineering and Transportation, South China Univ. of Technology, Guangzhou, Guangdong, P.R. China. Email: [email protected]
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.