23 CFR § 650.101 - Purpose.

---
identifier: "/us/cfr/t23/s650.101"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "23 CFR § 650.101 - Purpose."
title_number: 23
title_name: "Highways"
section_number: "650.101"
section_name: "Purpose."
chapter_name: "FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "G"
subchapter_name: "ENGINEERING AND TRAFFIC OPERATIONS"
part_number: "650"
part_name: "BRIDGES, STRUCTURES, AND HYDRAULICS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "23 U.S.C. 119, 144, and 315."
cfr_part: "650"
---


# 650.101 Purpose.

To prescribe Federal Highway Administration (FHWA) policies and procedures for the location and hydraulic design of highway encroachments on flood plains, including direct Federal highway projects administered by the FHWA.