[ssdspoimdsjvv]

Certainly a law that bans advertising billboards on highways would just do the trick? Or is this somehow seen as an infringement on free speech?

[blackboxlogic]

We have that law in Maine. It's wonderful. I don't see why it would be ok at the state level but not the federal.

[jaredhallen]

Because that's not a power of the Federal government as enumerated in the Constitution.