FHWA. 2007b. Work Zone Safety Facts and Statistics. http://safety.fhwa.dot.gov/wz/wz_facts.htm. Accessed July 9, 2008.
FHWA. 2008a. Innovator: Accelerating Innovation for the American Driving Experience. Issue 6, April–May. www.fhwa.dot.gov/hfl/innovator/issue06.cfm#FullRoadClosureCutsWorkZoneCongestion.
FHWA. 2008b. Prefabricated Bridge Elements and Systems. www.fhwa.dot.gov/bridge/prefab/elements.cfm?elems=Superstructure. Accessed Oct. 13, 2008.
Utah DOT. 2008. Accelerated Bridge Construction. www.dot.state.ut.us/main/f ?p=100:pg:3542944038143528:::1:T,V:1991. Accessed Oct. 13, 2008.
Wayson, R. L. 1998. NCHRP Synthesis of Highway Practice 268: Relationship Between Pavement Surface Texture and Highway Traffic Noise. Transportation Research Board, National Research Council, Washington, D.C.