Chapter
Jul 2, 2019
Research on Urban Expressway Lane Width Based on Driving Simulator
Authors: Lanfang Zhang [email protected], Kun Zhao [email protected], Xuekun Wang [email protected], and Shuo Liu [email protected]Author Affiliations
Publication: CICTP 2019
Abstract
This paper examines the optimal lane width of the urban expressway by using a driving simulator. Vehicle speed and lateral offset were selected as indicators of driving safety, and limited speed and free speed experiments were carried out. The results show that lane width has a significant effect on lateral offset but not on vehicle speed. According to the lateral offset, when the speed limit is 80 km/h, the reasonable lane width is preferably greater than or equal to 3.25 m. When the speed limit is 100 km/h, the reasonable lane width is preferably greater than or equal to 3.5 m. According to the in-lane driving proportion, 3.25 m can meet the requirements of normal driving. In order to satisfy driving safety, the lane width can be compressed to improve the user efficiency of the urban expressway.
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© 2019 American Society of Civil Engineers.
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Published online: Jul 2, 2019
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Key Laboratory of Road and Traffic Engineering, Ministry of Education, Shanghai, China; Engineering Research Center of Road Traffic Safety and Environment, Ministry of Education, Tongji Univ., Shanghai, China. E-mail: [email protected]
Key Laboratory of Road and Traffic Engineering, Ministry of Education, Tongji Univ., Shanghai, China. E-mail: [email protected]
Transport Commission of Shenzhen Municipality, Shenzhen, China. E-mail: [email protected]
Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Shanghai, China; Engineering Research Center of Road Traffic Safety and Environment, Ministry of Education, Tongji Univ., Shanghai, China. E-mail: [email protected]
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