U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 23Chapter IPart 771 - PART 771—ENVIRONMENTAL IMPACT AND RELATED PROCEDURES
§ 771.101 - Purpose.
§ 771.103 - [Reserved]
§ 771.105 - Policy.
§ 771.107 - Definitions.
§ 771.109 - Applicability and responsibilities.
§ 771.111 - Early coordination, public involvement, and project development.
§ 771.113 - Timing of Administration activities when NEPA applies.
§ 771.115 - Classes of actions.
§ 771.116 - FRA categorical exclusions.
§ 771.117 - FHWA categorical exclusions.
§ 771.118 - FTA categorical exclusions.
§ 771.119 - Environmental assessments.
§ 771.121 - Findings of no significant impact.
§ 771.123 - Draft environmental impact statements.
§ 771.124 - Final environmental impact statement/record of decision document.
§ 771.125 - Final environmental impact statements.
§ 771.127 - Record of decision.
§ 771.129 - Re-evaluations.
§ 771.130 - Supplemental environmental impact statements.
§ 771.131 - Emergency action procedures.
§ 771.133 - Compliance with other requirements.
§ 771.137 - International actions.
§ 771.138 - Timelines, page limits, and certifications.
§ 771.139 - Limitations on actions.
§ 771.141 - Reliance and adoption efficiencies.
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