From what I found in a cursory investigation is that many stations: A station attendant will They will ask about your destination and escort you from the tick

From what I found in a cursory investigation is that many stations: A station attendant will They will ask about your destination and escort you from the ticketing area to the appropriate platform and set up the ramp (if necessary) ahead of time. When arriving at a station, there will be an attendant there with the ramp set up for you to disembark. They also have wheelchair accessible escalators - an attendant will halt the escalator and merge several steps into one flat one, with a lip.