I've seen smart implementations of traffic lights in other countries.  For example in Denmark, the lights move from green to yellow to red (like U.S.), but then it moves red to yellow to green...very logical!. In Istanbul they have it down right.  Imagine waiting at a red light and knowing exactly when it will turn green! Why do they make this a mystery for us here in the U.S.? 

See what I mean:

A proper traffic light