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A Geometric Design Method Based on the Running Speed Distribution  

Jeong, Jun-Hwa (한국건설기술연구원 도로연구부)
Park, Chang-Ho (서울대학교 지구환경시스템공학부)
Publication Information
Journal of Korean Society of Transportation / v.23, no.5, 2005 , pp. 113-120 More about this Journal
Abstract
Highway geometric design aims to provide drivers with safe and efficient road conditions. Highway design method of Korea doesn't consider demand characteristics of drivers, vehicles etc. Therefore there is a gap between designer's expectation and user's behavior and it hinders to make safer roads. It is required to develop the geometric design criteria and design method based on driving characteristics to provide safe and flexible design. This study suggested a geometric design method of horizontal curves on rural 4-lane highways based on speed distribution.
Keywords
demand characteristics; geometric design; horizontal curve; speed distribution; design flexibility;
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