What is traffic light?

What Does traffic light Mean

The notion of semaphore comes from the Greek language . The term refers to the device that, through different lights that act as signals , allows the regulation of traffic on public roads .

For example: “The motorist did not respect the traffic light and when crossing the avenue he collided with a truck” , “Don't forget, Pedrito, that you always have to look at the traffic light before crossing the street” , “The municipality announced that it will install thirty new traffic lights in various arteries of the city ” .
The first traffic light in history was installed in the English city of London in 1868 . It was a very different device from the current one, since it had arms that moved to indicate when it was possible to advance and when to stop.

At present, most of the traffic lights that regulate vehicle traffic have three light signals : one red , one yellow and one green . The red light forces the vehicle to stop, while the green light indicates that you can continue driving. The yellow light, meanwhile, serves as a transition between the two signals and to warn those on the road to prepare for the signal change.
There are also traffic lights that, although they fulfill similar functions , are oriented to specific situations or actors. There are traffic lights for pedestrians , traffic lights for cyclists , turn signals and others.
Some curiosities or data that exist about the traffic light and that are interesting are the following:

-The first traffic light in Spain was installed in its capital, in Madrid, in 1926. Specifically, it was put into operation between the well-known Calle Barquillo and Calle Alcala.

-It is considered that, at present, the city in the world with the highest number of traffic lights per inhabitant is Argentina Buenos Aires.

-Although, as a general rule, it is circles of different colors that take center stage in the aforementioned device that helps manage traffic, there are some really curious exceptions. Thus, for example, in Akuyeri (Iceland) instead of circles, the lights take the shape of hearts.

-In 2008, in the Andalusian city of Jaén it was decided to install the first feminist traffic light. And it is that in it the doll's usual trousers were replaced by a skirt.
Importantly , not respecting the instructions of traffic lights is a violation of the rules of traffic and therefore, carries a punishment . This is because whoever does not respect the traffic lights puts their integrity and the integrity of third parties at risk.
In the same way, we cannot forget the existence of a singular television program that triumphed in Spain in the 1990s, with the term in question in its title. We are referring to “El seáforo”, which aired on TVE-1 during the period between 1995 and 1997.

It was directed by Narciso Ibáñez Serrador and was presented by Jordi Estadella. Its operation was very simple: anonymous citizens came to the set to show their artistic qualities and skills before the audience, an audience that rated the performances with applause or with a casserole, depending on whether they liked them or not.

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