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http://dx.doi.org/10.7855/IJHE.2012.14.3.173

Developing Design Guidelines for Rest Area Based on the Traffic Safety  

Lee, Hyun-Suk (한국도로공사 도로교통연구원)
Lee, Eui-Eun (명지대학교 공과대학 교통공학과)
Seo, Im-Ki (한국도로공사 도로교통연구원)
Park, Je-Jin (한국도로공사 도로교통연구원)
Publication Information
International Journal of Highway Engineering / v.14, no.3, 2012 , pp. 173-182 More about this Journal
Abstract
Entry and exits of the rest area are sections where designed speed can be rapidly change and also a weak traffic safety section. In addition, two tasks can be performed simultaneously at entry of the rest area, particularly searching for deceleration and parking spaces/parking sides etc. Thus, design criteria is required in order to procure the stability of accessed vehicle. In case of Korea, geometric structure design criteria of entry facilities, such as toll-gate, interchange, junction etc was established. However there are no presence in a detailed standards for geometric structure of the rest area which affiliated road facilities. In this study, Derive problems in regards to the entry of geometric structure of resting areas by utilizing a sight survey and an investigation research of traffic accidents. The survey was targeting 135 general service areas. After Classifying the design section of resting areas' entry as well as derive design elements on each section, a speed measurement by targeting entry of rest areas and car behavior surveys were performed, then each element's minimum standard was derived through the analyses. According to the speeds at the starting/end point of entrance connector road, the minimum length of the entrance connector road is decided as 40m using Slowing-down length formula and based on the driving pattern, the range of the junction setting angle of the entrance connector road is defined as $12^{\circ}{\sim}17^{\circ}$. Suggest improvement plans for existing rest areas that can be applied realistically. This should be corresponded to the standards of entry and exit of developed rest areas.
Keywords
rest area design criteria; ramp; the entrance connector road; car behavior surveys;
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