Traffic Engineers - What Does One Signalized Intersection Cost?

The modern traffic light has been around since the nineteen twenties. The standard four way signalized intersection, it likely costs more than your house. All in, you're looking at anywhere from two hundred and fifty thousand dollars to a million plus. It's hard to say exactly how many traffic lights there are in the u.S., but these engineers have a rule of thumb, there's roughly one nalized intersection per one thousand residents....