“Ready, set and go!”, ultimately this seems to be the message that the stoplight with those nice people of his bright circles in red – yellow – green. And, if we really want to trivialize the whole issue, that’s actually exactly what this is light signal he intends to express to all road users. Because for each user there is a specific traffic light, and you need to start knowing this perfectly essential tool for the traffic and the safety. So here’s one complete guide at the knowledge of the traffic light…
Traffic light, what it is and what are its main characteristics
To the question “but what is a traffic light?” all of us, even those who do not have any driving license, feel ready to respond by offering an explanation that is nothing short of impeccable. But then, when the words begin to come out of your mouth, you realize that you are not as impeccable as you thought.
Ultimately, what does that light signal present in many mean and tell us streets that we travel every day and assimilated by our minds in a completely natural way. But perhaps the time has come to understand in a much more specific and precise way what this tool really is and what its advantages are main features.
![traffic light the complete guide](https://foto1.newsauto.it/wp-content/uploads/2023/10/semaforo-la-guida-completa-1024x683.jpg)
So, let’s start calling things by their proper name. Yes, because ours Traffic Laws instead of the word “traffic lights” uses the term “bright lanterns“. Bright lanterns, therefore, which are used for regulate traffic in a way automaticalthough sometimes it may happen that they are operated manually.
These lanterns are used for a flow regulation at an intersection or along a stretch of road. Apart from the specific traffic lights for urban vehicles, they communicate with the various road users through the three circular light signals characterized by a Red light, yellow And green. Each expresses a very specific command to motorists.
Red – yellow – green, the colors that every motorist must know
The luminescent triad is therefore clear: red, yellow, green. These are the “words” with which the traffic light, at least the classic one present on the side of the roador placed in highin conjunction with one stoptry to talk to everyone motorist. So it would be better to learn to understand perfectly as to interpret these three words; a diktat from which there is no escape.
![traffic light lights](https://foto1.newsauto.it/wp-content/uploads/2023/10/semaforo-luci-1024x683.jpg)
During the period in which the circular red signal is lit, each vehicle is obliged to do not go through the stop sign indicated both by the sign and by the white stripe on the asphalt. In the absence of a stop sign, the motorist must not go beyond the traffic light, thus risking worsening his view of it and of the changes in the light signals.
While the yellow light is on, vehicles must not pass the stop sign unless they are close to it. Please note: in this case the proximity to the traffic lights must be so minimal as not to guarantee a safe stop of the vehicle.
The green signal, as previously mentioned, unlike the previous two, means “green light”. During its ignition, in fact, the cars present on that stretch of road can advance in the directions permitted by the vertical signs And horizontal.
![bright lanterns](https://foto2.newsauto.it/wp-content/uploads/2023/10/lanterne-luminose-1024x683.jpg)
In this case the general rules from the precedence and attention towards the various pedestrians and cyclists must be maximum. Furthermore, if you are not sure of being able to clear the air affected by the luminous lantern when the green signal comes on, it is a good rule to remain still at the stop sign.
Bright lanterns, that’s where they are placed along the road
It is also necessary to know the various ones positions where these infamous bright lanterns are found along a road. Therefore, traffic lights can be installed on poles placed on the right side of the roadon the sidewalkon channeling islands or traffic island. Finally, in the case of tree-lined avenues or roads with three or more lanes, traffic lights can be positioned upabove the roadway, hung on special wire scaffolding or, once again, on poles.
Furthermore, their presence must be anticipated by traffic light signal. It falls into the category of Danger signalstherefore it has triangular shape and presents gods edges in red And White background and in the center three luminous discs of the lantern. His presence is mandatory in extra-urban roads.
This is how a traffic light works
The operation of a traffic light essentially depends on the type of lantern examined. There are indeed traffic lights fixed cycle and traffic lights”on command“; two different categories with two different functions.
![traffic light operation](https://foto1.newsauto.it/wp-content/uploads/2023/10/semaforo-funzionamento-1024x683.jpg)
The first ones usually are operating from 7am to 11pm, while from 11pm to 7am the following day they are kept off except for some special cases. When they are turned off, the operation of the appliance is activated flashing yellow light which advises motorists to pay particular attention at a dangerous point.
Everything changes, however, when we talk about “on command” traffic lights. In fact, they are controlled by the vehicles themselves and by pedestrians, in this case we talk about traffic lights on demand; or they can be traffic lights coordinated with multiple programs. In this case, night operation is also envisaged, with a reduced duration traffic light cycle .
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