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http://dx.doi.org/10.7470/jkst.2013.31.2.003

Estimation of Design Service Traffic Volume for 2+1 Roads Based on Korean Two-Lane Highway Conditions  

Lee, Dong Min (Dept. of Transportation Eng., University of Seoul)
Chae, Chan Dle (Dept. of Planning and Administration, The Korea Transport Institute)
Cho, Hanseon (Dept. of Transport Safety and Highway, The Korea Transport Institute)
Lee, Suk Ki (Highway Research Division, Korea Institute of Construction Technology)
Publication Information
Journal of Korean Society of Transportation / v.31, no.2, 2013 , pp. 3-10 More about this Journal
Abstract
Two-lane roads that occupy more than a half of rural highways in Korea have operational problems such as traffic congestion problems due to relatively high traffic volume and safety problems due to overtaking risks in two-lane highways. To solve these problems, a 2+1 road pattern that enables to improve traffic safety and operational efficiency of two-lane highways has been applied in Europe. In this study, in-depth applicability of 2+1 roads to Korean rural highways was investigated based on review results of the successful experience of European 2+1 roads. Then, given the Korean two-lane highway conditions, the service traffic volumes for Korean 2+1 roads was estimated. The analysis results showed that 17,000 veh./day might be the maximum traffic volumes for Korean 2+1 roads.
Keywords
2+1 Roads; Design Service Volume; Highway Planning; Traffic Simulation; Optimal Traffic Volume;
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