National Environmental Policy Act Regulations

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Transportation Federal Highway Administration Federal Railroad Administration Federal Transit Administration 23 CFR Part 771 49 CFR Part 264 49 CFR Part 622 [Docket No. FHWA-2025-0007] RIN 2125-AF80; 2130-AD05; 2132-AB51 ACTION: Final rule. AGENCY: Federal Highway Administration (FHWA), Federal Railroad Administration (FRA), Federal Transit Administration (FTA), U.S. Department of Transportation (DOT). SUMMARY: FHWA, FRA, and FTA (collectively referred to as the “Agencies”) are finalizing the interim final rule (IFR) published on July 3, 2025, which revised the Agencies' National Environmental Policy Act (NEPA) of 1969 implementing regulations in light of the removal of the Council on Environmental Quality (CEQ) regulations, the amendments to NEPA included in the section of the Fiscal Responsibility Act (FR Act) of 2023, known as the Building United States Infrastructure through Limited Delays and Efficient Reviews (BUILDER) Act of 2023, amendments regarding efficient environmental reviews included in the Infrastructure Investment and Jobs Act (IIJA) of 2021, and the Supreme Court decision in Seven County Infrastructure Coalition. The Agencies provided a 30-day comment period for the public to review and comment on the IFR. This final rule addresses public comments received and finalizes the IFR with minor technical changes. DATES: Effective on September 1, 2026. FOR FURTHER INFORMATION CONTACT: For FHWA: Megan Cogburn, Office of Planning, Environmen…