49 CFR § 227.3 - Application.

---
identifier: "/us/cfr/t49/s227.3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 227.3 - Application."
title_number: 49
title_name: "Transportation"
section_number: "227.3"
section_name: "Application."
chapter_name: "FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
part_number: "227"
part_name: "OCCUPATIONAL SAFETY AND HEALTH IN THE LOCOMOTIVE CAB"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 20103, 20103 note, 20166, 20701-20703, 21301, 21302, 21304; 28 U.S.C. 2461 note; and 49 CFR 1.89."
regulatory_source: "71 FR 63123, Oct. 27, 2006, unless otherwise noted."
cfr_part: "227"
---


# 227.3 Application.

(a) Except as provided in paragraph (b) of this section, subpart B of this part applies to all railroads and contractors to railroads.

(b) Subpart B of this part does not apply to—

(1) A railroad that operates only on track inside an installation that is not part of the general railroad system of transportation;

(2) A rapid transit operation in an urban area that is not connected to the general railroad system of transportation;

(3) A rapid transit operation in an urban area that is connected to the general system and operates under a shared use waiver;

(4) A railroad that operates tourist, scenic, historic, or excursion operations, whether on or off the general railroad system of transportation; or

(5) Foreign railroad operations that meet the following conditions: Employees of the foreign railroad have a primary reporting point outside of the U.S. but are operating trains or conducting switching operations in the U.S.; and the government of that foreign railroad has implemented requirements for hearing conservation for railroad employees; the foreign railroad undertakes to comply with those requirements while operating within the U.S.; and FRA's Associate Administrator for Railroad Safety/Chief Safety Officer determines that the foreign requirements are consistent with the purpose and scope of subpart B of this part. A “foreign railroad” refers to a railroad that is incorporated in a place outside the U.S. and is operated out of a foreign country but operates for some distance in the U.S.

(c) Except as provided in paragraph (d) of this section, subpart C of this part applies to any railroad that operates a freight train that transports a PIH material, including a residue of such a PIH material, on standard gage track that is part of the general railroad system of transportation.

(d) Subpart C of this part does not apply to a railroad that operates only on track inside an installation that is not part of the general railroad system of transportation.

[71 FR 63123, Oct. 27, 2006, as amended at 89 FR 5131, Jan. 26, 2024]