Traffic lights - it is an integral part of the road. Without this device, which supplies light signals, and adjusting the traffic on the roads would be chaos.
Who created the first traffic light, and he appeared on the streets? Consider Interesting Factsthis device.
A little history
Traffic History begins in 1868 in London. John Peak Knight invented the first device, which is manually operated. This traffic light semaphore had two arrows. If arrows were raised horizontally, it meant "stop" signal, and lowered at an angle of 45 ° - movement with caution. In the night time burning rotating gas lamp, which filed signals of red and green colors. In 1869, the gas lamp exploded and injured a policeman. Traffic lights at the time were banned.
Once, in 1910, Ernst Sirrinom invented the automatic traffic light with the words «Stop» and «Proceed». In 1912, the first electric traffic light with two round electric signals of red and green color was created.
In 1914, in Cleveland, four traffic lights were installed, which, when changing color lights, beep. This design invented by Jason Hogue.
The first three-color traffic light was created in 1920 by William Potts and John Harrison. The device has appeared on the streets of Detroit and New York.
In Europe, the traffic lights appeared in 1922 in Paris, Hamburg, and in England - in 1927.
Interesting Facts
1. In the history of traffic often mentions the name of the American inventor Garrett Morgan. In 1923, he patented a traffic light original design. For the first time in the patent, in addition to the technical design, it was stated purpose: "to make prioritization directions intersection is independent of the person sitting in the car."
2. The sequence of placing flowers at the traffic light was installed for the color blind. The fact that some people are able to distinguish only bright colors and some shades. There are also color-blind blind to the green and red lights are so modern orange hue of the red signal, green and blue color.
3. In Japan, the first traffic lights were blue instead of green, but over time it became clear that the human eye is much more receptive to green than blue.
4. In London, a device for adjusting the movement of a monument in the form of a traffic light tree.
5. Berlin has a traffic light, which has 13 light signals. In this system it is difficult to understand, so close is always a policeman who explains the rules of use.
6. In Germany, there are traffic lights for pedestrians, which are man image hat - Ampelman. This man is a landmark of the country. And in Dresden, Apelmana have a girlfriend - a girl in a sundress with pigtails.
7. Pyongyang (North Korea) about the existence of traffic did not know for a long time. Movement controlled regulirovschitsy girl, who later became the capital city landmark. For this position, the girls were very serious selection. Regulate the movement could only be high and the most beautiful.
8. In Prague, there is a very narrow ancient street on which it is difficult to walk even two people. Locals call it "winery Devil." To people coming from across the street came upon each other, there is installed a traffic light.
9. In Rio de Janeiro drivers can drive through a red light from 10 pm to 5 am. This is due to increased crime in the city and, to avoid robbery, authorities allows drivers to violate traffic rules.
10. In Singapore, at traffic lights, there is a system for the elderly and disabled, which may extend the transition period with the help of a special card. Such a tray card pedestrians to the button, and then, the system includes a green signal is 13 seconds longer than normal time.
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