What is the following distance when visibility is 200 meters in foggy weather?

[OMartin]

When visibility on the highway is less than 200 meters, maintain a distance of more than 100 meters from the vehicle ahead in the same lane. The speed should not exceed 60 kilometers per hour, and fog lights, low beams, position lights, and front and rear position lights should be turned on. Here is some additional information: 1. Less than 100 meters: When visibility is less than 100 meters, turn on fog lights, low beams, position lights, front and rear position lights, and hazard warning flashers. The speed should not exceed 40 kilometers per hour, and maintain a distance of more than 50 meters from the vehicle ahead in the same lane. 2. Less than 50 meters: When visibility is less than 50 meters, turn on fog lights, low beams, position lights, front and rear position lights, and hazard warning flashers. The speed should not exceed 20 kilometers per hour, and exit the highway as soon as possible from the nearest exit.