The opposite would be "light traffic".
Colors are USED to do many things- tell when a traffic light changes, when a fruit is ripe, etc. However, colors simply ARE- there is no specific purpose, other than a Divine purpose. But they are really handy.
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.
A traffic light you seen change to green
Yes. That is why they are called traffic lights.
your not so bright
The first traffic light was invented in December 10, 1868. The electric traffic light was invented in 1912. The Automatic Traffic light was invented in 1927.
the original purpose of glow sticks was to just create light because At the time it was quite a remarkable achievement because either electrical mains or battery were the energy sources for most light producing devices. so when glow sticks were created; something that provides light without the use of electricity it was quite astonishing.
Don't look; I'm changing
It is usually on the bottom of the traffic light.
J.P. Knight is the person who invented the traffic light. J.P. Knight invented the traffic light in 1868 in an effort to prevent fatalities on the roads.