Elimination of Architectural Barriers - Administrative Rules of the TDLR, 16 Texas Administrative Code, Chapter 68

(e) Commercial facilities are subject to the Act and compliance with TAS if they are intended for non-residential use by a private entity and if their operations will affect commerce. Such application shall not include railroad locomotives, railroad freight cars, railroad cabooses, commuter or intercity passenger rail cars or any other railroad cars described in the Americans with Disabilities Act (ADA) §242, or covered under the ADA, Title III, railroad rights-of-way, or facilities that are covered or expressly exempted from coverage under the federal Fair Housing Act of 1968.