A way to find out its to call all the factories that manufacture traffic lights and see the sales reports of each country since 1912 when the first traffic light was created by a police man.
The opposite would be "light traffic".
You can find a link suggestion to add more traffic to one's website at boost search traffic. You can submit your link site for free. This is a great way to increase traffic to your site.
there would be more accidents
If a traffic light breaks most cities will assign a traffic cop to regulate traffic until the light can be fixed.
The traffic light was made in 1823.
You can find information on Buy Traffic Guide website. You can find all traffic service providers in one place, read traffic service reviews, and get more information about related services they offer.
A traffic light you seen change to green
Yes. That is why they are called traffic lights.
your not so bright
At traffic signal museum, one can find various kind of traffic material like traffic light, road safety instruction, zebra cross model and rules that one has to follow while driving or walking on the road. Also one can find traffic police statue there.
Traffic signals are very important to the successful flow of traffic. To find more information about the meaning of them, one can view the Highway Code online.