it was made in the US by a man who was British
The traffic light was made in 1823.
No. A traffic light is a man made object, not part of the natural environment.
in the 1920s in the us.
yes
The usual part of the traffic light is made of metal and the lenses are made of glass.
traffic light
the second traffic light was made in America, the first one was made in Europe and exploded
he invented the traffic light because alot of people have car accidents and from peventing that, and from preventing traffic he did it to help the world
They forbid us to watch the stars on the sky.
A traffic light tells us if it is our turn to go or not. When it's green you can go when it's red you cant go.
a vehical crash
what city in the u.s became the first to install an electric traffic light