Ada Shower Doors The Shower At My Gym Has A Sign Which Says: Due To ADA Restrictions, Showers Are Temporarily Closed. ADA?

The shower at my gym has a sign which says: due to ADA restrictions, showers are temporarily closed. ADA? - ada shower doors

What is the position of D in the ADA?

There is also a fitness center that opened two days ago. The showers were not only monitors, but that's all. I'm curious, what is the development in Ada.