Walls. J. and M. Smith. 1998. Life-Cycle Cost Analysis in Pavement Design–In Search of Better Federal Highway Administration, Washington, DC. Available online at: Investment Decisions. . Washington State Department of Transportation (WSDOT). 2010. WSDOT Pavement Policy, Washington State Department of Transportation, Olympia, WA. Available online at: . Draft. Wathne, L. 2011. Pavement Type Available online Better Roads. “Understanding Selection.” at: .
Walls. J. and M. Smith. 1998. Life-Cycle Cost Analysis in Pavement Design–In Search of Better Investment Decisions. Federal Highway Administration, Washington, DC. Available online at: . Washington State Department of Transportation (WSDOT). 2010. WSDOT Pavement Policy, Draft. Washington State Department of Transportation, Olympia, WA. Available online at: . Wathne, L. 2011. “Understanding Pavement Type Selection.” Better Roads. Available online at: .