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http://dx.doi.org/10.7855/IJHE.2012.14.6.149

Estimation of Traffic Accident Effectiveness of Zig-zag Marking Using a Comparison Group Method  

Kwon, Seong-Keun (도로교통공단 안전개선처)
Lee, Young-Ihn (서울대학교 환경대학원)
Cho, Song-Jun (서울대학교 환경대학원)
Publication Information
International Journal of Highway Engineering / v.14, no.6, 2012 , pp. 149-158 More about this Journal
Abstract
PURPOSES : This research is to evaluate the effects of zig-zag marking. METHODS : Based on the literature review, This research adopt Comparison Group method which was developed by Hauer. RESULTS : The findings are as follows. Effectiveness of treatment at all site 1.06, intersection 0.92, median bus lane 1.93, school zone 0.50, below 6-lane 0.48, above 6-lane 1.19, cat vs person 0.57, car vs car 1.36, car only 1.29. CONCLUSIONS : Though the analysis, it was founded that zig-zag marking on the small scale road(below 6-lane) and school zone contribute to reduce traffic accidents(effectiveness of the treatment : 0.50, 0.48). But the accidents at large scale road and median bus lane where installed zig-zag marking demonstrated negative result.(effectiveness of the treatment indicates exceed 1.0).
Keywords
zig-zag marking; accident effectiveness; comparison group method; effectiveness of the treatment;
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