23 CFR 650.107 : 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) — Engineering And Traffic Operations (§ 620.101 To § 669.21) — Bridges, Structures, And Hydraulics (§ 650.101 To § 650.809) — Location And Hydraulic Design Of Encroachments On Flood Plains (§ 650.101 To § 650.117) — Applicability.

(a) The provisions of this regulation shall apply to all encroachments and to all actions which affect base flood plains, except for repairs made with emergency funds (23 CFR part 668) during or immediately following a disaster.

(b) The provisions of this regulation shall not apply to or alter approvals or authorizations which were given by FHWA pursuant to regulations or directives in effect before the effective date of this regulation.