Cambridge Systematics, Inc., Applied Research Associates, Inc., Arora and Associates, KLS Engineering, PB Consult, Inc., and Louis Lambert. 2009. NCHRP Report 632: An Asset-Management Framework for the Interstate Highway System. Transportation Research Board of the National Academies. Washington, DC. Last accessed July 24, 2015 at http://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_rpt_632.pdf.
Cambridge Systematics, Inc., Parsons Brinckerhoff Quade & Douglas, Inc., Ray Jorgenson Associates, Inc., and Paul D. Thompson. 2002. Transportation Asset Management Guide. American Association of State Highway and Transportation Officials. Washingtom, D.C.
Federal Highway Administration (FHWA). 2012. Executive Brief: Advancing a Transportation Asset Management Approach. Federal Highway Administration Office of Asset Management. Washington, DC. Last accessed July 29, 2015. http://www.fhwa.dot.gov/asset/pubs/if12034.pdf.
Federal Highway Administration (FHWA) Transportation Asset Management Expert Task Group. 2013. AASHTO Asset Management Guide—A Focus on Implementation. Executive Summary. American Association of State Highway and Transportation Officials. Washington, DC. Last accessed July 29, 2015. http://www.fhwa.dot.gov/asset/pubs/hif13047.pdf.
United Kingdom Roads Liaison Group (UKRLG) and Highways Maintenance Efficiency Programme (HMEP). 2013. Highway Infrastructure Asset Management Guidance Document. Department for Transport, London. Last accessed July 24, 2015. www.ukroadsliaisongroup.org/download.cfm/docid/5C49F48E-1CE0-477F-933ACBFA169AF8CB