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References
- Manual on Uniform Traffic Control Devices for Streets and Highways. Federal Highway Administration, United States Department of Transportation, Washington, DC, 2003.
- Debaillon, C., P.J. Carlson, Y. He, T. Schnell, and H.G. Hawkins. Review and Development of Recommended Minimum Pavement Marking Retroreflectivity Levels.
- Deballion, C., P.J. Carlson, Y. He, and T. Schnell. Updates to Research on Recommended Minimum Levels for Pavement Marking Retroreflectivity to Meet Driver Night Visibility Needs, FHWA- HRT-07-059, FHWA, US DOT, Washington, DC, 2007.
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