The first ever traffic light signal was set up in Britain, in 1868. In front of the British Houses Of Parliment, by railway engineer J. P. Knight. But.. is, in fact an American invention. In 1912, an officer named, Lester Wire, set up the traffic light in Salt Lake City, Utah.
Reference: http://en.wikipedia.org/wiki/Traffic_light#History
GARRET MORGAN
Garret Morgan
No he invented the automatic oil cup and lubricator.
The first inventor was Garret A. Morgan at around 1923.
he invented the automatic traffic signal and the gas mask and was supposedly the first person in Cleveland to own a car
Peter S. Parsonson has written: 'Signal timing improvement practices' -- subject(s): Automatic timers, Electronic traffic controls, Traffic flow
stop... A police officer assuming control of that intersection will have precedence over a traffic signal. If their signals are contrary to the traffic signal, you'll follow their signal.
Stop light is another name for a traffic signal.
traffic signal.
A signal light that is not working.
we control traffic by follows the signal
positive