Why Do Some Countries Have 2 Red Lights at Crosswalks?

If red means “stop” and green means “pass” at pedestrian crossings, what is the reason for using two reds in some places? A more violent “STOP”?

Although the capital of Norway Oslo Although it came to the fore with the theme, two of them are red and one is green, which are used for pedestrians. three-light traffic lights It would be wrong to say that it is unique to Norway. Because it can be seen in different countries such as Denmark and Germany.

For its basic function to the common denominator Although it has not been reached much, people have different comments about the benefits it provides. At the beginning of these, it was used in traffic lights in the past. of bulbs As a solution to the loss of its function, there is a spare bulb to be placed next to it. Of course, the situation is not limited to this.

Let’s unpack the basic function a little more.

Bulbs used before switching to LED lights, over time by burning It can lose its function, and in this context, pedestrians who see that only the green light is on or that no light is on, increase the probability of having an accident in this context. For this reason, if a light bulb loses its function, it will fulfill its function. spare one of them is suitable.

This response was also received when Hamburg Turizm was consulted:

“Dear Mrs. robinson, Thank you for your inquiry. The reason is for the case that one light fails the other light works. Thank you very much, yours sincerely HAMBURG Tourismus GmbH”

In this flashback, it’s the same thing we just said, namely the second red light. is ‘backup’ is stated.

This was explained by the Norwegian Public Roads Administration (NPRA).

Engineer speaking to DinSide Bente ChristensenThis system, which has been used before, continued in the 90s because it increased security he had said. For this reason, although the technology has changed, the method has remained the same.

It is also said to be beneficial for people who are colorblind.

Traffic lamp

Such people who have difficulty in deducing what the color is and also for the elderly The system has its advantages. But the weird thing is, even if these lights don’t have colors because it has animations Since there are visuals that indicate that the or visuals should be emphasized or passed, this explanation also remains a bit in the air.

Based on the statements made, safety is considered we can conclude.

Traffic Engineer Lars Bo Frederiksen’s article clarifies what we’re talking about.

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In Frederiksen’s article, it is stated that these lights are placed at mixed intersections to clarify the transition priority. For example on a two-lane road or at an intersection, imagine you’re crossing the middle curb and then the opposite curb. While the light that will allow you to cross to the middle curb is red, the other light may turn green and if you are not careful enough, you can directly looking at the green light You can endanger your life. In this case, the double red light can attract your distracted attention.

Today, although traffic awareness has increased to some extent, as if there was no need may appear. However, we can say that there is not enough reason to remove this system, which is already in existence and whose benefits are also seen. You won’t see them all over Norway or Germany anyway. They are only found in certain and dense areas.

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There’s a little girl lying around because of these lamps lost his life and for this reason, we did not include it because we could not find a source to support it, although there are rumors that they are being used. Be yourself, don’t forget to look to your left and right. And remember, they are not mandatory or common nowadays. Looking at the sources, we can say that there was no need for removal as it has good returns.


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