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1
Guidelines for nighttime visibility of overhead signs
Washington, D.C. : Transportation Research Board, 2016Format: Book
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2
Pavement markings - wet retroreflectivity standards
St. Paul, Minn. : Minnesota Department of Transportation, Office of Research & Innovation, 2020Format: Book
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3
Safety evaluation of wet-reflective pavement markings
McLean, VA : U.S. Department of Transportation, Federal Highway Administration, Reserch, Development, and Technology, Turner-Fairbank Highway Research Center, 2015Format: Book
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4
Research on traffic sign retroreflective sheeting performance : a synthesis of practice
[St. Paul, Minn.] : Minnesota Department. of Transportation, Office of Research & Innovation, 2021Format: Book
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