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.