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http://dx.doi.org/10.12815/kits.2017.16.6.79

Analysis on Entry and Exit Behaviors at the Weaving Section of a Continuous Auxiliary Lane: Focused on Clover-shaped Interchanges  

Park, Je-Jin (Korea Expressway Corporation Research Institute)
Ha, Tae-Jun (Dept. of Civil Engineering, Univ. of Chonnam National)
Oh, Jae-Chul (Dept. of Civil Engineering, Univ. of Chonnam National)
Choi, Heung-Seob (Yeongam County Chief Safety Construction Division Civil Engineering Team)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.16, no.6, 2017 , pp. 79-89 More about this Journal
Abstract
Current intersection with collectors allow entry and exit in the relevant sections just as defined by the pertinent design criteria without considering driving behavior of the vehicles coming in and out of the intersection. This study analyzed the roads in the weaving sections to review driving behavior. As a result, vehicles entering a main line are found to try to change a driving lane at a section 50~55m away from a nose part, while those entering a ramp from a main line try to change it at 35~40m from a nose part. Accordingly vehicles exiting to a connecting road from a main line were found to take prior action to change a lane earlier than those entering a main line. Conflict took place intensively at 35~40m section from the nose part entering a main line. Consequently, such conflict at an weaving section may be controlled by adjusting the length of driving lane making use of a double line (solid and dotted line) that can control changing a lane. Outcome of this study may be used as a basic data for operating and maintaining an weaving section of a intersection of a road and improving traffic safety.
Keywords
weaving section; driving behavior; driving safety; lane change;
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