Again, impossible to add the attachments I wanted tonight (Western motel, Jo in Wyoming and Edward Hopper fixes a flat). I hope it will be better tomorrow.
I think I will put a third point at stake for the puzzler who can identify, by its interior the car shown in "Jo in Wyoming". It would solve an artistic mystery after all, so it's well worth one. Some may have the picture somewhere, but it can also be easily found on the net.
That dashboard could be a 1942-46 Ford, but if so Hopper omitted the big round speedo. And the steering wheel could be an aftermarket item, but I couldn't find one like it.
So this point will be attributed if az puzzler can produce a photo of a matching dashboard, and one of the steering wheel if it's not the original one.