What is the following distance when driving below 100 km/h on a highway?

[DelJuliet]

When driving on a highway at a speed below 100 km/h, the following distance should not be less than 50 meters. Relevant regulations: According to Article 80 of the "Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China," when a motor vehicle is driving on a highway at a speed exceeding 100 km/h, it should maintain a distance of more than 100 meters from the vehicle in front in the same lane. When the speed is below 100 km/h, the distance from the vehicle in front in the same lane can be appropriately reduced, but the minimum distance should not be less than 50 meters. Relationship between visibility, speed, and following distance: Visibility less than 500 meters but greater than 200 meters: speed should not exceed 80 km/h, and the following distance should be more than 150 meters. Visibility less than 200 meters but greater than 100 meters: speed should not exceed 60 km/h, and the following distance should be more than 100 meters. Visibility less than 100 meters but greater than 50 meters: speed should not exceed 40 km/h, and the following distance should be more than 50 meters. When visibility is less than 50 meters: vehicles are prohibited from entering the highway.