Here in the UK we have slashes through many of the red-bordered road signs, but not all of them. People often misunderstand the ones that don't - for instance, these mean "no motor vehicles" and "no cars" respectively:
The council probably collects a lot of money in fines from people misunderstanding those two in particular
The price? Yes.
The tip prompt? Well, no. Unless you feel like mailing an extra $20 cash to Nintendo