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http://dx.doi.org/10.12815/kits.2020.19.6.37

Study on the Minimum Recursive Reflection Performance according to the Color of Road Surface  

Han, Eum (Dept. of Transportation Engineering Research, Korea Road Traffic Authority)
Kang, Jong Ho (Dept. of Transportation Engineering Research, Korea Road Traffic Authority)
Kim, Cheong Ho (Dept. of Transportation Engineering Research, Korea Road Traffic Authority)
Park, Sungho (Dept. of Transportation System Engineering, Univ. of Ajou)
Yun, Ilsoo (Dept. of Transportation System Engineering, Univ. of Ajou)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.19, no.6, 2020 , pp. 37-48 More about this Journal
Abstract
Eight colors prescribed by the Enforcement Rules of the Road Traffic Act and the group standard were tested to secure the minimum recursive reflectance performance standards when drying and wetting. The results were calculated to be 260.8 (mcd/㎡·lux) when drying white and 154.6 (mcd/㎡·lux) when wet. Yellow was 67% compared to the white reflective performance when drying. Wet poetry was 79 % and 59 %, respectively. In the case of blue, it was 64% in the case of white versus 72% in the case of white. Wet poetry was 63 % and 72 %, respectively. The range of changes in reflective performance during wetting was higher than when drying, and the absence of glass grains was similar to the previous results. The new colors also have a standard value of more than 50% compared to the white color in red, orange, pink, light green, and green. Based on this, it was estimated that the minimum reflective performance criteria according to the color of the road markings would form the basis for the enforcement rules of the Road Traffic Act.
Keywords
Road markings; Reflectance performance; Color; Colour induction line;
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  • Reference
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