49 CFR 238.427 : Transportation (§ 1.1 To Parts 1581-1699) — (§ 200.1 To Parts 273-299) — Other Regulations Relating To Transportation (Continued) (§ 200.1 To Parts 273-299) — Federal Railroad Administration, Department Of Transportation (§ 200.1 To Parts 273-299) — Passenger Equipment Safety Standards (§ 238.1 To Appendix F To Part 238) — Specific Requirements For Tier Ii Passenger Equipment (§ 238.401 To § 238.447) — Suspension system.