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- Federal Highway Administration. Technical Advisory, Pavement Friction Management, T 5040.38, June 17, 2010.
- American Association of State Highway Transportation Officials (AASHTO) Guide for Pavement Friction. Washington, D.C., 2008.
- Federal Highway Administration. Technical Advisory, Surface Texture for Asphalt and Concrete Pavements, T 5040.36, June 17, 2005.
- Wang, S. et al. Estimating Wet-Pavement Exposure with Precipitation Data: Final Report. Contract 65A0226, California Department of Transportation, March 2008. .
- California Department of Transportation (Caltrans) Traffic Safety Program. December 2010.
- Skid Hazard Reporting (SHR) System User Documentation. Florida Department of Transportation. October 2008.
- HNTB Corporation, University of Central Florida, and Wayne State University. Evaluation of Innovative Safety Treatments, Final Report. Contract B-D500, Florida Department of Transportation, January 2008.
- New York State Department of Transportation. Skid Accident Reduction Program, Engineering Instruction EI 02-007, 2002.
- New York State Department of Transportation. 2008 Annual Evaluation Report, Highway Safety Improvement Program, Office of Modal Safety and Security, Albany, New York, 2008.
- Mahone, D.C. and W.C. Sherwood. Virginia’s Wet Accident Reduction Program: A User’s Manual. Virginia Transportation Research Council, Charlottesville, Virginia, May 1996.
- Mahone, D.C. and W.C. Sherwood. The Effect of Aggregate Type and Mix Design on the Wet Skid Resistance of Bituminous Pavement: Recommendations for Virginia’s Wet Accident reduction Program. Virginia Transportation Research Council, Charlottesville, Virginia, October 1995.
- Virginia Department of Transportation 2007 Wet Accident Reduction Program Report. Virginia Department of Transportation, Pavement Design and Evaluation Section, Central Office, Materials Division, October 2009.
- Kentucky Roadway Departure Safety Implementation Plan. Commonwealth of Kentucky Transportation Cabinet. July 2010.