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. 1
- §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.