49 C.F.R. § 233.3 Application.
Title 49 - Transportation
(a) Except as provided in paragraph (b) of this section, this part applies to railroads that operate on standard gage track which is part of the general railroad system of transportation. (b) This part does not apply to rail rapid transit operations conducted over track that is used exclusively for that purpose and that is not part of the general system of railroad transportation.
Title 49: Transportation
PART 233—SIGNAL SYSTEMS REPORTING REQUIREMENTS
§ 233.3 Application.
