Public transit stations accessibility in the U.S., by mode 2020
According to the source, an ADA accessible station is a station in compliance with the Americans with Disabilities Act. This means that wheelchairs have an unobstructed path from the station entrance to all platforms via elevators or ramps, that equipment and amenities are accessible (platform lifts, fare vending machines, telephones, etc.), and that the vision and hearing-impaired are accommodated (audio and visible signals or announcements and braille alternatives).