How many meters should the warning sign be placed behind the car on the highway?

1 Answers
ElenaRose
07/30/25 2:32am
On ordinary roads, it should be placed 50-100 meters away, while on highways, it should be placed 150 meters away. If a car suddenly breaks down, a triangular warning sign must be placed behind the vehicle to prevent secondary injuries caused by the inability of following vehicles to avoid it in time. If it is daytime on an ordinary road, the warning sign can be placed within 50-100 meters directly, as visibility is good during the day, and the speed on ordinary roads is relatively slow, making it easier for drivers to react. On highways, the warning sign must be placed 150 meters away and secured with a stone to prevent it from being blown away. When a car breaks down, first, park the car on the right side and turn on the hazard lights to signal to following vehicles that the car has a problem. Next, set up the triangular warning sign. When setting it up, the driver should hold the reflective side of the warning sign outward and walk toward the direction of oncoming traffic. This operation ensures that at night, the lights of following vehicles can reflect off the triangular sign, alerting them to yield. Extra caution is needed if an accident occurs on a curved road. The triangular warning sign must be placed on the road before the curve. This is because drivers on a curved road cannot see the situation ahead without the help of roadside "convex mirrors." Therefore, placing the warning sign before the curve informs vehicles to slow down and avoid "secondary accidents" caused by delayed warnings. If a car breaks down on a slope and cannot move, the warning sign must be placed at the top or bottom of the slope to alert following vehicles early. This is because driving on a slope creates blind spots, and placing the warning sign on the slope itself would fail to provide an early warning. Therefore, remember to place the warning sign at the top or bottom of the slope in case of an accident on a slope. The "Road Traffic Safety Law of the People's Republic of China" stipulates: Article 52: If a motor vehicle breaks down on the road and needs to be stopped for repairs, the driver shall immediately turn on the hazard warning lights and move the vehicle to a place where it does not obstruct traffic. If the vehicle cannot be moved, the hazard warning lights shall remain on, and warning signs shall be set up in the direction of oncoming traffic to increase the warning distance. If necessary, the driver shall promptly call the police. Article 68: If a motor vehicle breaks down on a highway, the provisions of Article 52 of this Law shall apply. However, the warning signs shall be placed at least 150 meters away from the direction of oncoming traffic. The occupants of the vehicle shall quickly move to the right shoulder or emergency lane and promptly call the police. If a motor vehicle breaks down or is involved in a traffic accident on a highway and cannot be driven normally, it shall be towed or pulled by a rescue vehicle or a tow truck.
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