Comment, Like, & Favorite
Traffic Control Box
A traffic signal is typically controlled by a controller inside a cabinet mounted on a concrete pad. Although some electro-mechanical controllers are still in use (New York City still has 4,800, modern traffic controllers are solid state.
July 19th, 2012
Viewed 247 Times - Last Visitor from Palo Alto, CA on 08/25/2014 at 7:57 PM
copy and paste to your website / blog - preview