"But older structures aren't subject to the same requirements. Ms. Davis lives on the Upper East Side, and she said most of the established restaurants she visits in her neighborhood have tiny, inaccessible restrooms.
"I dehydrate before I go out to dinner," she said. "I don't drink anything for an hour and a half.' She also carries around a 12-pound fiberglass ramp that she uses if a restaurant has a step or two up to its entrance, as many do. If a restaurant has a whole flight of stairs, she's out of luck."