49 CFR Part 231 — Railroad Safety Appliance Standards
- § 231.0— Applicability and penalties.
- § 231.1— Box and other house cars built or placed in service before October 1, 1966.
- § 231.2— Hopper cars and high-side gondolas with fixed ends.
- § 231.3— Drop-end high-side gondola cars.
- § 231.4— Fixed-end low-side gondola and low-side hopper cars.
- § 231.5— Drop-end low-side gondola cars.
- § 231.6— Flat cars.
- § 231.7— Tank cars with side platforms.
- § 231.8— Tank cars without side sills and tank cars with short side sills and end platforms.
- § 231.9— Tank cars without end sills.
- § 231.10— Caboose cars with platforms.
- § 231.11— Caboose cars without platforms.
- § 231.12— Passenger-train cars with wide vestibules.
- § 231.13— Passenger-train cars with open-end platforms.
- § 231.14— Passenger-train cars without end platforms.
- § 231.15— Steam locomotives used in road service.
- § 231.16— Steam locomotives used in switching service.
- § 231.17— Specifications common to all steam locomotives.
- § 231.18— Cars of special construction.
- § 231.19— Definition of “Right” and “Left.”
- § 231.20— Variation in size permitted.
- § 231.21— Tank cars without underframes.
- § 231.22— Operation of track motor cars.
- § 231.23— Unidirectional passenger-train cars adaptable to van-type semi-trailer use.
- § 231.24— Box and other house cars with roofs, 16 feet 10 inches or more above top of rail.
- § 231.25— Track motorcars (self-propelled 4-wheel cars which can be removed from the rails by men).
- § 231.26— Pushcars.
- § 231.27— Box and other house cars without roof hatches or placed in service after October 1, 1966.
- § 231.28— Box and other house cars with roof hatches built or placed in service after October 1, 1966.
- § 231.29— Road locomotives with corner stairways.
- § 231.30— Locomotives used in switching service.
- § 231.31— Drawbars for freight cars; standard height.
- § 231.33— Procedure for special approval of existing industry safety appliance standards.
- § 231.35— Procedure for modification of an approved industry safety appliance standard for new railcar construction.