This handbook provides recommendations on defining a project’s purpose and need in accordance with the National Environmental Policy Act (NEPA) and determining a range of alternatives. Practical tips include understanding the legislative and planning context, determining the needs, defining the project purpose, screening alternatives, and involving agencies and the public.

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Handbook Resources

CEQ, “Forty Most Asked Questions Concerning CEQ’s NEPA Regulations” (Mar. 16, 1981)
https://dot.ca.gov/-/media/dot-media/programs/environmental-analysis/documents/ser/g-ceq-40questions-a11y.pdf

FHWA, “The Importance of Purpose and Need in Environmental Documents” (Sept. 18, 1990)
https://www.environment.fhwa.dot.gov/projdev/tdmneed.asp

Connaughton, Chairman, CEQ, Letter to N. Mineta, Secretary, USDOT (May 12, 2003)
https://www.environment.fhwa.dot.gov/guidebook/Gconnaughton.asp

Peters, Administrator, FHWA, and J. Dorn, Administrator, FTA, “Guidance on ‘Purpose and Need’” (July 23, 2003)
https://www.environment.fhwa.dot.gov/guidebook/Gjoint.asp

D.J. Gribbin, Chief Counsel, FHWA, “NEPA Analysis for Toll Roads” (Oct. 15, 2004)
https://www.environment.fhwa.dot.gov/guidebook/NEPA_tollroads.asp

E.O. 13274 Purpose and Need Work Group, “Baseline Report” (March 15, 2005)
http://www.dot.ca.gov/ser/downloads/general/pn_report_eo13274.pdf

FHWA, et al., “Synchronizing Environmental Reviews for Transportation and Other Infrastructure Projects: 2015 Red Book” (Sept. 2015)
https://www.environment.fhwa.dot.gov/strmlng/Redbook_2015.asp