Journal of the Eastern Asia Society for Transportation Studies
Online ISSN : 1881-1124
ISSN-L : 1341-8521
I: Traffic Accident and Safety
Development and Effective Use of a Wire Rope Guardrail System for Two-lane Roads in Japan
Masayuki HirasawaTetsuya TakadaTateki Ishida
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ジャーナル フリー

2015 年 11 巻 p. 2209-2226

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抄録
Fatal high-speed head-on collisions often occur in the limited spaces of two-lane roads without median strips. Wire rope guardrail systems can be seen as an alternative to median strips. Such systems use thin posts, have a buffering function and require minimal width. The purpose of this study was to develop a wire rope guardrail system with a buffering function as a separator for two-lane roads. CG simulation and collision experiments using real vehicles were conducted to determine the necessary characteristics of the fence, and performance tests were conducted in accordance with guard fence installation criteria. As a result, a wire rope guardrail system that satisfies Japan's Am Performance Standard Criteria for expressway median strips was developed. A driving test was conducted to study the feasibility of introduction to two-lane expressways.
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© 2015 Eastern Asia Society for Transportation Studies
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