49 CFR Parts 37 & 38 - Department of Transportation (DOT) ADA Regulations

(b) Facility alterations begun before January 26, 1992, in a good faith effort to make a facility accessible to individuals with disabilities may be used to meet the key station requirements set forth in §§37.47 and 37.51 of this part, even if these alterations are not consistent with the requirements set forth in Appendices B and D to 36 CFR part 1191 and Appendix A to this part, if the modifications complied with the Uniform Federal Accessibility Standards (UFAS) or ANSI A117.1(1980) (American National Standards Specification for Making Buildings and Facilities Accessible to and Usable by the Physically Handicapped). This paragraph applies only to alterations of individual elements and spaces and only to the extent that provisions covering those elements or spaces are contained in UFAS or ANSI A117.1, as applicable.