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http://dx.doi.org/10.12815/kits.2022.21.1.123

An Investigation for Driving Behavior on the Exit-ramp Terminal in Urban Underground Roads Using a Driving Simulator  

Jeong, Seungwon (Dept. of Transportation Eng., Univ. of Seoul)
Song, Minsoo (Dept. of Transportation Eng & Smart cities., Univ. of Seoul)
Hwang, Sooncheon (Dept. of Transportation Eng., Univ. of Seoul)
Lee, Dongmin (Dept. of Transportation Eng & Smart cities., Univ. of Seoul)
Kwon, Wantaeg (Road Planning Division, Seoul Metropolitan Government)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.21, no.1, 2022 , pp. 123-140 More about this Journal
Abstract
Even though driving behaviors in underground roads can be significantly different from ground roads, existing underground roads follow the design guidelines of ground roads. In this context, this study investigates the driving behaviors of the exit-ramp terminal of urban underground roads using a driving simulator. Virtual driving experiments were performed by analyzing scenarios between the underground and ground road environments. The experiments' driving behavior data for each geometry section are compared and validated through a statistical significance test. This test showed that the speed in the underground road environment is relatively low, and the LPM tends to move away from the adjacent tunnel wall. Based on these findings, this study suggests implications and feasible solutions for improving driver's safety in the exit-ramp terminal of the underground roads.
Keywords
Urban underground roads; Exit-ramp terminal; Driving simulator; Driving behavior;
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