Netvouz / barrybrown61 / tag / dot http://netvouz.com/barrybrown61/tag/dot?feed=rss barrybrown61's bookmarks tagged "dot" on Netvouz Regulations in Making and Installing Traffic Signs http://www.visigraph.com/guide/regulations-in-making-and-installing-traffic-signs/ In any state in the United States, you can’t install traffic signs without some sort of governmental permission, typically a local, state, or federal DOT. barrybrown61 Wed, 17 Feb 2016 02:49:53 GMT Will traffic signs make an intersection safer? And More... http://www.visigraph.com/traffic-signs/traffic-signs-and-safety-regulations-local-government-decide-where-to-place-road-signs/ The newer USDOT codes, and I believe most “First World” nations as well, though, require the “diamond grade” reflective materials to be the basis for most intersection signs, so it’s almost like having a traffic light anyway. barrybrown61 Thu, 21 Feb 2013 08:23:23 GMT