There have been cities that have banned all forms of outdoor advertising (such as billboards)! Here's some links you might like:
https://99percentinvisible.org/article/clean-city-law-secret...
https://www.rapidtransition.org/stories/adblocking-the-globa...
https://www.theguardian.com/cities/2015/aug/11/can-cities-ki...
A gallary of Tokyo stripped of advertising: https://www.theguardian.com/cities/gallery/2015/aug/12/tokyo...