49 CFR § 174.1 - Purpose and scope.

---
identifier: "/us/cfr/t49/s174.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 174.1 - Purpose and scope."
title_number: 49
title_name: "Transportation"
section_number: "174.1"
section_name: "Purpose and scope."
chapter_name: "PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "C"
subchapter_name: "HAZARDOUS MATERIALS REGULATIONS"
part_number: "174"
part_name: "CARRIAGE BY RAIL"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 5101-5128; 33 U.S.C. 1321; 49 CFR 1.81 and 1.97."
cfr_part: "174"
---


# 174.1 Purpose and scope.

This part prescribes requirements in addition to those contained in parts 171, 172, 173, and 179 of this subchapter, to be observed with respect to the transportation of hazardous materials in or on rail cars.

[Amdt. 174-26, 41 FR 16092, Apr. 15, 1976, as amended by Amdt. 174-26A, 41 FR 40685, Sept. 20, 1976; Amdt. 174-74, 58 FR 51533, Oct. 1, 1993]