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