49 CFR 38.3 : Transportation (§ 1.1 To Parts 1581-1699) — (§ 1.1 To Appendix To Subtitle A) — Office Of The Secretary Of Transportation (§ 1.1 To Appendix To Subtitle A) — Americans With Disabilities Act (Ada) Accessibility Specifications For Transportation Vehicles (§ 38.1 To Appendix To Part 38) — General (§ 38.1 To § 38.4) — Definitions.