I would like more water pressure. And for them to actually be cleaned and no obcene writings on the wall. That happened to my husband and I at the TA in MO. It WAS nasty, we got our moneyback because it was the first shower we actually had to pay for! The writing on the wall was so nasty it made us want to take another shower lol.
Also I think the counters should be longer. There should actually be a REAL floor mat as big as the floor! And a real shower curtain. I know these places like to go cheap on everything but they suck truckers for every penny they make with how expensive things are in the shop. So I think truckers and riders should be treated like kings and queens when they walk in there. Because without us they aren't in business.