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http://dx.doi.org/10.12652/Ksce.2010.30.4D.369

Determination of Not-Permitted Entrance/Exit Section at Curb Areas  

Kwon, Sung-Dae (전남대학교 토목공학과)
Park, Je-Jin (한국도로공사 도로교통연구원)
Ha, Tae-Jun (전남대학교 토목공학과)
Ha, Dong-Ik (인트라스)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.30, no.4D, 2010 , pp. 369-376 More about this Journal
Abstract
At present, many problems in traffic operation and safety occurs since there is no clear design criteria on designating the not-permitted entrance/exit section at curb areas within complex areas. Even, there is no specific and detailed researches on the not-permitted entrance/exit section by now. This research calculated the proper length of the entrance/exit section at curb areas by dividing the access not-permitted section into the two sections. First, the calculation of the entrance section was done by considering the location of crosswalks, stop line clearance, the queue length of vehicles approaching to second lanes, and marginal distance for safety have been considered. Second, the calculation of the exit section was done by comparing and analyzing the distance between cars of the entrance section according to the investigation point and the distance considering the location of crosswalks, the behavior of exit vehicles and the length of vehicles. In conclusion, by presenting the proper length in consideration of the traffic operation and safety on the access not-permitted section within complex areas, it can be used as a traffic safety improvement alternative and will be contributed in establishing and operating the proper installation criteria for the access not-permitted section within complex areas.
Keywords
queue length; gap; geometric; traffic flow; traffic safety;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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