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This video of a dangerous highway in Brazil demonstrates the importance of emergency braking ramps

The video of a emergency braking zone quite busy in Brazil it has become well known for the networks. And, these traffic tools can go unnoticed, but they are of vital importance for trucks in mountain passes or areas with continuous slopes.

If not, let them tell one of the truckers featured in the video, who is miraculously saved from another truck that urgently needed the ramp to stop.

Situations that could have ended very badly

The highway, called Regis Bittencourt, is known to be one of the most dangerous in Brazil.

It is almost 500 km long and connects the cities of São Paulo and Río Negro. But in the section called Serra do Cafezal, in the state of São Paulo, the intense traffic of heavy vehicles, the topography and poor maintenance have made it one of the highways with the highest road accident rate in the country.

In the video, which compiles several incidents, we can see how the driver of a truck that had already used the ramp runs off when he sees another freight vehicle enter the braking zone.

It also shows how the crane manages to get the trucks out of the gravel area.

Many drivers have been lucky enough to have found one of these emergency ramps, and to be able to get out on their own:

A valuable piece of engineering

Marches

Emergency braking zones or ramps have been with us for many years. They are security systems designed to prevent a passenger car, a commercial vehicle, a bus or a truck that has run out of brakes –It may be from overheating – have an accident.

The most common are of the stopping surface type: they are located on the right side of the road and are shaped like a descending ramp. Gravel is placed on them, which acts as resistance to the rolling of the vehicle.

It is that space that we sometimes see on motorways, especially in mountain passes or roads with a long slope, and it has a gravel area half a meter deep, approximately, and a slope at the end of it.

In Spain they are usually 100 meters long and 4 to 5 meters wide. When the vehicle reaches the gravel area, it ends up stuck due to the loss of kinetic energy, preventing it from continuing to circulate uncontrollably.

When driving on downhill slopes, it is best to use the engine brake by reducing gears – if possible – or the vehicle’s retention system, which more and more cars have available through the paddles or the lever.

This will prevent the brakes from overheating and losing efficiency.

Photo | Engineering and architecture

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Lenny Li

I started to play with tech since middle school. Smart phones, laptops and gadgets are all about my life. Besides, I am also a big fan of Star War. May the force be with you!

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