23 CFR 771.109 : Highways (§ 1.1 To Parts 1345-1399) — (§ 1.1 To Parts 1345-1399) — Federal Highway Administration, Department Of Transportation (§ 1.1 To Parts 974-999) — Right-Of-Way And Environment (§ 710.101 To § 777.11) — Environmental Impact And Related Procedures (§ 771.101 To § 771.139) — Applicability and responsibilities.