23 C.F.R. § 650.107 Applicability.
Title 23 - Highways
(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.
Title 23: Highways
PART 650—BRIDGES, STRUCTURES, AND HYDRAULICS
Subpart A—Location and Hydraulic Design of Encroachments on Flood Plains
§ 650.107 Applicability.