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What year was the traffic light inveted?
The traffic light was made in 1823.
Why red light is used as the traffic light?
red light is used in traffic lights because red light has a "longer wavelength" than other colours
How was a traffic light invented?
the traffic light was invented because back in the day people didnt know what to do when driving and cars were new and to prevent people from crashing and accidents they invented the traffic light
Is a traffic light a light reflector or light source?
light source
What doses a red traffic light mean What does a flashing red traffic light mean?
Red=stop red flashing= light is broken, use your judgement in crossing.
Who can operate only light traffic checkpoints?
Reconnaissance sections and squads.
Who can operate both heavy and light traffic checkpoints?
Recon platoon
What is the opposite of heavy traffic?
The opposite would be "light traffic".
What happnes if the traffic light system brakes down?
If a traffic light breaks most cities will assign a traffic cop to regulate traffic until the light can be fixed.
What year was the traffic light inveted?
The traffic light was made in 1823.
What does a fresh traffic light means?
A traffic light you seen change to green
Can a traffic light emit light energy?
Yes. That is why they are called traffic lights.
What did the big traffic light say to the little traffic light?
your not so bright
When was the traffice light invented?
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.
What compound words start with traffic?
Traffic light Traffic jam Traffic cone
Who invented the traffic light?
The traffic light, as we know it today, actually went through a few phases of invention.1868 - JP Knight created a signal based on red and green gas lamps. It took an officer to operate it. It exploded about one month later and injured the officer on duty.1912 - Lester Wire invented the first electric traffic light. It was also based off of the red and green system.1914 - James Hoge improved upon the system by adding a buzzer to notify drivers that the light would soon be changing colors.1920 - William Potts made a four way signal. Potts replaced the buzzer with a yellow light.1923 - Garrett Morgan added a mechanical linkage to allow officers to operate the signal from a distance.
What did the traffic light say to the other traffic light?
Don't look; I'm changing
