In the United States, the use of red retroreflective raised pavement markers (RRPMs) has been traditionally reserved to mark wrong way direction on one-way roadways. There are some agencies such as the State of Hawaii and surrounding U.S. territories that use red RRPMs on undivided highways to mark wrong way direction on two-way roadways (the red RRPMs are installed on the far edge line). This application is used in areas with frequent tourists from left-hand drive countries. The red RRPMs are used to remind the tourists that they are driving in the United States, which is a right-hand drive country. When traveling in the correct direction on these undivided highways, the red RRPMs are visible during nighttime conditions. This has raised concerns regarding current practices and drivers understanding of the red RRPMs. This study investigated drivers understanding of red RRPMs as traditionally used (i.e., to mark wrong way direction on one-way highways) and as used in unique applications (such as described above).
Driver Understanding of Red Retroreflective Raised Pavement Markers
2006
55 pages
Report
Keine Angabe
Englisch
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