SUPPLEMENTARY INFORMATION:

Notice is hereby given that FHWA has taken final agency actions subject to 23 U.S.C. 139(l)(1) by issuing a combined Final Environmental Impact Statement (FEIS) and Record of Decision (ROD) for the following project in the State of Colorado: I-270 Corridor Improvements Project from I-25 to I-70 in the City of Commerce City, Adams County and City and County of Denver, Colorado. The selected alternative in the FEIS/ROD would add express lanes in both directions to relieve congestion and improve safety performance on I-270. The project would also replace 12 aging bridges, rebuild the I-270/Vasquez Boulevard interchange and improve multimodal connectivity across I-270.

The actions by FHWA, and the laws under which such actions were taken, are described in the FEIS/ROD for the project issued on September 4, 2026. The FEIS/ROD and other project records are available by contacting FHWA or CDOT at the addresses provided above.

This notice applies to all Federal agency decisions as of the issuance date of this notice and all laws under which such actions were taken, including but not limited to:

1. General: National Environmental Policy Act (NEPA) [42 U.S.C. 4321-4370h]; Federal-Aid Highway Act [Title 23] and associated regulations [CFR part 23].

2. Air: Clean Air Act, [42 U.S.C. 7401-7671(q)] (transportation conformity); Intermodal Surface Transportation Efficiency Act of 1991, Congestion Mitigation and Air Quality Improvement Program (23 U.S.C. 149).

3. Noise:23 U.S.C. 109(i) (Pub. L. 91-605) (Pub. L. 93-87).

4. Land: Section 4(f) of The Department of Transportation Act: [49 U.S.C. 303] Farmland Protection Policy Act (FPPA) [7 U.S.C. 4201-4209]. Solid Waste Disposal Act, as amended by the Resource Conservation and Recovery Act of 1976 (42 U.S.C. 6901, et seq.); Landscaping and Scenic Enhancement (Wildflowers) [23 U.S.C. 319].

5. Wildlife: Endangered Species Act [16 U.S.C. 1531-1544]; Fish and Wildlife Coordination Act [16 U.S.C. 661-667(e)]; Migratory Bird Treaty Act [16 U.S.C. 703-712]; Plant Protection Act [7 U.S.C. 7701 et seq.].

6. Historic and Cultural Resources: Section 106 of the National Historic Preservation Act of 1966, [54 U.S.C. 306108]; Archeological Resources Protection Act of 1977 [16 U.S.C. 470(aa)-470(mm)]; Archeological and Historic Preservation Act [16 U.S.C. 469-469 c-2].

7. Wetlands and Water Resources: Clean Water Act [33 U.S.C 1251-1387 (Sections 319, 401, 404, and 408)]; Land and Water Conservation Fund Act [16 U.S.C. 460l-4-460l-11]; Safe Drinking Water Act [42 U.S.C. 300f-300j-9.]; Flood Disaster Protection Act [42 U.S.C. 4001-4129]; Emergency Wetlands ( printed page 57423) Resources Act [16 U.S.C. 3921, 3931]; Flood Disaster Protection Act [42 U.S.C. 4001-4128].

8. Hazardous Materials: Comprehensive Environmental Response, Compensation, and Liability Act [42 U.S.C. 9601-9675]; Superfund Amendments and Reauthorization Act of 1986 [Pub. L. 99-499]; Resource Conservation and Recovery Act [42 U.S.C. 6901-6992(k)].

9. Executive Orders:E.O. 11514 Protection and Enhancement of Environmental Quality; E.O. 11593 Protection and Enhancement of Cultural Resources; E.O. 11988 Floodplain Management; E.O. 11990 Protection of Wetlands; E.O. 13007 Indian Sacred Sites; E.O. 13112 Invasive Species; E.O. 13175 Consultation and Coordination with Indian Tribal Governments; E.O. 13287 Preserve America; E.O. 13186 Responsibilities of Federal Agencies to Protect Migratory Birds.

(Authority: 23 U.S.C. 139(l)(1))

91 FR 57422