Why Are Some Traffic Lights Vertical and Some Horizontal?

In fact, behind this seemingly simple detail There are quite logical reasons.

let’s see positioning of traffic lightsHow does it affect traffic and drivers?

On what basis are choices made?

The positioning of traffic lights actually varies depending on the geographical, climatic and urbanization conditions of the region where they are located. Horizontal traffic lights are usually on wide roads and places with high wind risk is being used. The wind puts less pressure on horizontal traffic lights. Besides, it seems more comfortable on wide roads than on different lanes.

Also, some traffic lights are vertical, Makes it difficult to pass under tall vehicles. Therefore, it becomes more logical to hang it horizontally.

There are also details considered for drivers.

The placement of traffic lights directly affects the visibility of drivers. Vertical layout at large intersections can make it difficult to see from a distance. In this case, horizontal layout is more functional because drivers can see all the lights at the same time.

One of the reasons why many traffic lights are vertical is actually color blind people It is easier to perceive. Even if the driver cannot fully see the colors on the traffic light, he knows to stop if the top light is on.

If the lights are placed horizontally, this becomes a standard so that there is no confusion in light colors. That’s why In countries where cars are driven on the right Red is always on the left, green is always on the right. In countries where people drive on the left, the situation is exactly the opposite.

As you can see, the target when it comes to whether traffic lights will be vertical or horizontal is not just about design, There are many details, from security to ease of use.

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