49 CFR § 222.5 - What railroads does this regulation apply to?

---
identifier: "/us/cfr/t49/s222.5"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 222.5 - What railroads does this regulation apply to?"
title_number: 49
title_name: "Transportation"
section_number: "222.5"
section_name: "What railroads does this regulation apply to?"
chapter_name: "FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
part_number: "222"
part_name: "USE OF LOCOMOTIVE HORNS AT PUBLIC HIGHWAY-RAIL GRADE CROSSINGS"
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, 20107, 20153, 21301, 21304; 28 U.S.C. 2461 note; and 49 CFR 1.89."
regulatory_source: "71 FR 47634, Aug. 17, 2006, unless otherwise noted."
cfr_part: "222"
---


# 222.5 What railroads does this regulation apply to?

This part applies to all railroads except:

(a) A railroad that exclusively operates freight trains only on track which is not part of the general railroad system of transportation;

(b) Passenger railroads that operate only on track which is not part of the general railroad system of transportation and that operate at a maximum speed of 15 miles per hour over public highway-rail grade crossings; and

(c) Rapid transit operations within an urban area that are not connected to the general railroad system of transportation. See 49 CFR part 209, appendix A for the definitive statement of the meaning of the preceding sentence.