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Apr 26, 2012
Comparative Evaluation of Median Facilities in Two-Lane Bi-Directional Tunnels
Authors: Hong-qi Liu [email protected], Cao Yi [email protected], Fang Wang, Wei-han Zhang, and Tao Shen [email protected]Author Affiliations
Publication: ICCTP 2011: Towards Sustainable Transportation Systems
Abstract
In order to prevent overtaking and speeding and improve road safety, a new median facility was installed in a two-lane bi-directional tunnel. The objective of the research presented in this paper was to evaluate the safety and practical effect of the facilities. The observations of traffic operation and vehicles speed were carried out on a tunnel with the facilities and a tunnel without the facilities. The result showed that the facilities had achieved the anticipated effect on overtaking prevention and reduction of mean speed and speed standard deviation.
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Published In
ICCTP 2011: Towards Sustainable Transportation Systems
Pages: 2160 - 2165
Copyright
© 2011 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Affiliations
Road Safety Research Center and Research Institute of Highway, MOT, China, 100088.E-mail: [email protected]
Hubei Urban Construction, Vocational, and Technological College, 430205.E-mail: [email protected]
Fang Wang
Road Safety Research Center and Research Institute of Highway, MOT, China, 100088
Wei-han Zhang
Road Safety Research Center and Research Institute of Highway, MOT, China, 100088
Yunnan Highway Development & Investment Co., Ltd, 650200.E-mail: [email protected]
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