The objective of this report is to provide an overview of recent FHWA research on the subject of improving the effectiveness and utilization of roadway delineation. The report summarizes the results of 6 recent major studies and related efforts, interprets and synthesizes their findings, identifies gaps, and provides information and advice which can be used in developing plans for future implementation through the "Manual on Uniform Traffic Control Devices." Questions requiring additional research are also discussed.
The yellow highway paint in current use is often not as visible as white paint under adverse lighting and weather conditions. It has lower initial bri...
The overall purpose of this multiphased research study was to establish visibility requirements for roadway delineation that can be used to help estab...
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United States Department of Transportation
[PDF-6.53 MB]
