Text of Section 6002 of SAFETEA-LU (23 U.S.C. § 139)
http://www.fhwa.dot.gov/hep/section6002/appx.htm#Toc148770634

FHWA and FTA, “Final Guidance: SAFETEA-LU Environmental Review Process” (Nov. 15, 2006)
http://www.fhwa.dot.gov/hep/section6002/

FHWA and FTA, Guidance on Linking Transportation Planning and NEPA Documents” (Feb. 14, 2007) (Appendix A to 23 CFR 450):
http://a257.g.akamaitech.net/7/257/2422/01jan2007180
0/edocket.access.gpo.gov/2007/pdf/07-493.pdf

FHWA, “Major Projects Guidance” (Jan. 17, 2007): http://www.fhwa.dot.gov/programadmin/mega/011907.cfm

FHWA Guidance on Negotiated Timeframes: http://www.environment.fhwa.dot.gov/strmlng/negtime.asp.

Examples of Documents Developed for the SAFETEA-LU Environmental Review Process: http://www.environment.fhwa.dot.gov/strmlng/safe_implement.asp