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The role of warning triangle

The exact name of the warning triangle is the warning triangle for motor vehicles. The warning triangle for automobiles is a passive reflector made of plastic reflective materials. When the driver encounters a sudden breakdown on the road for maintenance or when an accident occurs, it can be used The reflective performance of the triangle warning sign can remind other vehicles to avoid giving way to avoid secondary accidents.

The latest national standard of warning triangle "GB 19151-2003 Warning triangle for motor vehicles". This standard specifies the technical requirements, test methods and inspection rules of the warning triangle.

Generally speaking, when a driver discovers that a warning triangle appears in front of him, he needs to go through a process of discovering, clearly visible the warning signal ahead, taking measures to brake, slowing down, and avoiding. Take a car traveling at a speed of 100 kilometers per hour as an example. Generally speaking, a reaction time of at least 10.8 seconds or a distance of at least 350 meters is required. This requires the warning triangle to be highly reflective, so that the driver can see it for the first time.

On general roads, drivers should set up warning signs 50 meters away from the direction of the vehicle; on highways, they should set up warning signs 100 meters away; pay special attention to some special conditions, such as rainy days or corners, be sure to Place warning signs 150 meters away, so that vehicles behind you can find out early. It is especially important to place warning signs when a vehicle is involved at night.