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A Study on Improvement of the Shape and Performance of Raised Pavement Marker  

Kim, Sang-Bum (Department of Urban Engineering, Jeonju University)
Kwon, Yong-Seok (Department of Urban Engineering, Jeonju University)
Publication Information
Journal of the Korean Society of Safety / v.21, no.6, 2006 , pp. 82-87 More about this Journal
Abstract
The existing raised pavement marker, however, have some limitations. Most of them are square-shaped which makes only forward and backward retro-reflection, their orientation can be easily changed by impact of vehicle, and the surface reflector can be readily contaminated leading poor functioning. In addition, maintenance for broken raised pavement marker is not easy. The purpose of the study is to design and manufacture a new and improved type of raised pavement marker. The new raised pavement marker has round-shaped upper structure. Its body was separated from the holder and the reflector was surrounded by acrylic cover. We tested performances of the constituent parts, optimum load after installation, and reflection efficiency. The new raised pavement marker will be an initiation of studies on the improvement of the shape and performance of raised pavement markers.
Keywords
transportation; traffic safety; safety facility; raised pavement marker;
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