Asked in
American Revolution
Rules of the Road
United States of America
Flag of the United States

How many traffic lights are there in the United States?

Answer

User Avatar
Wiki User
September 13, 2011 3:12AM

Most likely, over a million and I'm just guessing ...

There are over a fifty million. In cities, most intersections have eight or more traffic signals per major intersection. A city as big as L. A. can have 10,000 intersections. Multiply that times eight. Each intersection can have eight or more signal heads. Each head can have 3 to 7 light bulbs.

We are talking some serious numbers. That's not counting pedestrian lights, overhead luminaires, and sign lights.

(not to mention highway overhead lights).

50 million is just a guess but its and educated conservative guess. Pressed for accuracy I would guess higher rather than lower.