&gt; As much as I hate advertising, how exactly would you reconcile such a ban with the first amendment in the US?<p>This is a solved problem; SCOTUS has already ruled on various aspects of this[1].<p>[1] <a href="http:&#x2F;&#x2F;www.firstamendmentcenter.org&#x2F;billboards" rel="nofollow">http:&#x2F;&#x2F;www.firstamendmentcenter.org&#x2F;billboards</a>