On two superliner trains while in the handicapped room, the shower was, indeed, in the room with the toilet behind a curtain. However, since neither of us was that limited so as to be confined to a wheelchair, we both used the shower just outside the room. I don't remember that one being wheelchair accessible.I don't think the H rooms on the Superliners have a shower in the room itself, but there is a shower in the same car that is accessible. For some reason, even though we signed up and paid for a roomette, at some point prior to our trip, we got a message from Amtrak indicating that they were moving us to the H room, but our charge remained the same. Lots of room in there; one could possibly do ballroom dancing in there. But yes, the toilet provided some negative olfactory ambiance. No shower in the room though. Yes, I realize you're not talking about the superliners, but I just wanted to point out that it's not really about amenities like showers and privacy, but rather accessibility.