Los Angeles has been fighting supergraphic billboards and has received some backup from the U.S. Supreme Court. Supergraphic billboards are those buildings-turned-into-multistory-billboards that we’ve managed to avoid here in Houston. So far.
In L.A. a case has gone all the way to the Supreme Court and by refusing to hear the case, the court has upheld the city’s right to prohibit the signs: http://banbillboardblight.org/?p=7198
