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23 CFR § 771.101 - Purpose.

---
identifier: "/us/cfr/t23/s771.101"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "23 CFR § 771.101 - Purpose."
title_number: 23
title_name: "Highways"
section_number: "771.101"
section_name: "Purpose."
chapter_name: "FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "H"
subchapter_name: "RIGHT-OF-WAY AND ENVIRONMENT"
part_number: "771"
part_name: "ENVIRONMENTAL IMPACT AND RELATED PROCEDURES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 4321  23 U.S.C. 106, 109, 128, 138, 139, 203(e), 315, 326, and 327; 49 U.S.C. 303 and 24201; 49 U.S.C. 5323(c) and 5323(q); 49 CFR 1.81, 1.85, 1.89, and 1.91; Pub. L. 109-59, 119 Stat. 1144, Sections 6002 and 6010; Pub. L. 112-141, 126 Stat. 405, Sections 1315, 1316, 1317, 1318, and 1319; and Pub. L. 114-94, 129 Stat. 1312, Sections 1304 and 1432."
regulatory_source: "90 FR 29431, July 3, 2025, unless otherwise noted."
cfr_part: "771"
---

# 771.101 Purpose.

This part prescribes the policies and procedures of the Federal Highway Administration (FHWA), the Federal Railroad Administration (FRA), and the Federal Transit Administration (FTA) for implementing the National Environmental Policy Act of 1969 as amended (NEPA). Together these regulations set forth all FHWA, FRA, FTA, and U.S. Department of Transportation (DOT) requirements under NEPA for the processing of highway, public transportation, and railroad actions. This part also sets forth procedures to comply with 23 U.S.C. 109(h), 128, 138, 139, 203(e), 326, and 327; 49 U.S.C. 303, 24201, 5323(c) and 5323(q); Public Law 112-141, 126 Stat. 405, section 1301 as applicable; and Public Law 114-94, 129 Stat. 1312, section 1304.