do u know?
@mohanarangan2002 (389)
India
December 5, 2006 3:31am CST
the traffic lights were first invented in the united states in new york in 1918.thease lights were for a fixed time. now-a -days signals change automatically depending upon the flow of the traffic.
1 response
@pcbulawanv (680)
• Austria
5 Dec 06
Oh thats nice! Thanks for that info. I will tell my nephew about this as he needs some trivia today for his school project. Thanks!
