23 CFR § 645.303 - Applicability.

---
identifier: "/us/cfr/t23/s645.303"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "23 CFR § 645.303 - Applicability."
title_number: 23
title_name: "Highways"
section_number: "645.303"
section_name: "Applicability."
chapter_name: "FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "G"
subchapter_name: "ENGINEERING AND TRAFFIC OPERATIONS"
part_number: "645"
part_name: "UTILITIES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "23 U.S.C. 101, 109, 111, 116, 123, and 315; 47 U.S.C. 1504; 23 CFR 1.23 and 1.27; 49 CFR 1.48(b); and E.O. 11990, 42 FR 26961 (May 24, 1977)."
cfr_part: "645"
---


# 645.303 Applicability.

This subpart applies to each State that receives funds under Chapter 1 of Title 23 of the U.S.C. and only to activities for which Federal obligations or expenditures are initially approved on or after the effective date of this subpart.