1. American Association of State Highway and Transportation Officials. 1998. Primer on Contracting 2000 (1998). http://www.aashto.org/info/primer/primer_l-18.html. Accessed January 2001.
2. Federal Highway Administration. 2000. SEP-14 Design-Build Information Web Site . http://www.fhwa.dot.gov/infrastructure/progadmin/contracts/d_build.htm FHWA Web Site. Accessed December 2000 and May 2001.
3. Federal Highway Administration. 2001. Status of FHWA Design-Build Rule Making FHWA Briefing Paper Dated May 18 and provided by the FHWA Infrastructure Business Unit .