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1 - 2 of 2 resultsSearch results for "contrast ratio"
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2006
2006
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Pavement Marking Materials and Markers: Real-World Relationship Between Retroreflectivity and Safety Over Time (2006)
National Academies of Sciences, Engineering, and Medicine; Transportation Research Board; National Cooperative Highway Research Program
Transportation and Infrastructure
Developing Guidelines for Evaluating, Selecting, and Implementing Suburban Transit Services (2006)
National Academies of Sciences, Engineering, and Medicine; Transportation Research Board; Transit Cooperative Research Program
Transportation and Infrastructure