49 C.F.R. § 38.121 Public information system.
Title 49 - Transportation
(a) Each car shall be equipped with a public address system permitting transportation system personnel, or recorded or digitized human speech messages, to announce stations and provide other passenger information. Alternative systems or devices which provide equivalent access are also permitted. (b) [Reserved]
Title 49: Transportation
PART 38—AMERICANS WITH DISABILITIES ACT (ADA) ACCESSIBILITY SPECIFICATIONS FOR TRANSPORTATION VEHICLES
Subpart F—Intercity Rail Cars and Systems
§ 38.121 Public information system.