49 CFR §232.700
- (a)Except as provided in paragraph (b) of this section, this subpart applies to standard gage railroads.
- (b)This subpart does not apply to:
- (1)A railroad that operates only on track inside an installation which is not part of the general railroad system of transportation; or
- (2)Rapid transit operations in an urban area that are not connected with the general railroad system of transportation.
- (c)As used in this subpart, carrier means “railroad,” as that term is defined by 49 CFR 232.5