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

(a) Public transportation programs and activities in existing facilities

(1) In general

With respect to existing facilities used in the provision of designated public transportation services, it shall be considered discrimination, for purposes of section 12132 of this title and section 794 of title 29, for a public entity to fail to operate a designated public transportation program or activity conducted in such facilities so that, when viewed in the entirety, the program or activity is readily accessible to and usable by individuals with disabilities.

(2) Exception

Paragraph (1) shall not require a public entity to make structural changes to existing facilities in order to make such facilities accessible to individuals who use wheelchairs, unless and to the extent required by section 12147(a) of this title (relating to alterations) or section 12147(a) of this title (relating to key stations).

(3) Utilization

Paragraph (1) shall not require a public entity to which paragraph (2) applies, to provide to individuals who use wheelchairs services made available to the general public at such facilities when such individuals could not utilize or benefit from such services provided at such facilities.