This no restroom thing isn't confined to the city. I ride the bus daily from the city to the suburbs. I have a mile and a half walk from the bus stop to my home in Clinton Township and there isn't one public restroom in that distance. Sometimes you just have to find a secluded dumpster. Walking a mile when you really gotta go is not an option. I think it is pretty rare to find a gas station or convenience store with a public facility until you get pretty far into the sticks.