Highway Design Speed and Its Impacts: Some Evidence in South Korea
(주)학지사
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- 2015.03.25
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- 2009.01
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서지정보
ㆍ발행기관 : 대한교통학회
ㆍ수록지정보 : 대한교통학회지 / 6권 / 1호
ㆍ저자명 : Choi Jaisung, Richard Tay, Kim Sangyoup
목차
Ⅰ. INTRODUCTION
Ⅱ. RATIONALE AND OBJECTIVE OF STUDY
Ⅲ. MAIL SURVEY
Ⅳ. CASE STUDY
Ⅴ. PROPOSED REVISIONS TO THE CURRENT PROCEDURE
Ⅵ. FINDINGS AND CONCLUSION
Ⅶ. Acknowledgements
영어 초록
In an effort to increase the operational efficiency of highways,
South Korea has been increasing its design speed recently. However,
the use of higher design speed will also increase construction costs.
Moreover, increasing the design speed is expected to have an impact
on safety. Hence, there is a strong need to demonstrate that the
benefits outweigh the cost of having a higher design speed. This
study surveyed a sample of design engineers to determine their
awareness of the consequences of increasing design speed and their
assessment of the right design speed for an actual rural arterial.
In addition to the survey, a case study of three recently upgraded
highways was conducted to determine the changes in traffic
volumes, speeds, travel times, and safety.
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