Americans with Disabilities Act (ADA) of 1990 (with amendments issued through 2008)

(i) General rule

It shall be considered discrimination for purposes of section 12132 of this title and section 794 of title 29 for a responsible person to fail to make existing stations in the intercity rail transportation system, and existing key stations in commuter rail transportation systems, readily accessible to and usable by individuals with disabilities, including individuals who use wheelchairs, as prescribed by the Secretary of Transportation in regulations issued under section 12164 of this title.