Minimum speed limit of expressway in rainy and foggy days

1. What are the special regulations on the speed limit of expressways in rainy and snowy days? According to the Regulations for the Implementation of the Road Traffic Safety Law, when the visibility of the expressway is less than 200m due to fog, rain, snow, sand dust, hail and other reasons, drivers should turn on fog lights, low beam lights, position lights and front and rear position lights, and the speed should not exceed 60km per hour, and keep a distance of100m or more from vehicles in the same lane. When the visibility is less than 100 meters, turn on fog lights, low beam lights, position lights, front and rear position lights and hazard warning flashlights, and the speed shall not exceed 40 kilometers per hour, and keep a distance of more than 50 meters from the vehicle in front of the same lane; When the visibility is less than 50 meters, turn on fog lights, low beam lights, position lights, front and rear position lights and danger warning flashlights, and the speed shall not exceed 20 kilometers per hour, and leave the expressway as soon as possible from the nearest exit. Second, what are the illegal acts of driving on the expressway? One recording 12 points. Compared with driving on ordinary expressways, expressways are faster and the road conditions are more complicated. Once an accident happens, the consequences are very serious. Therefore, the Ministry of Public Security 123 order has formulated stricter scoring regulations in view of the particularity of expressways. The score 12 is as follows: 1. Back up on the expressway, back up, turn around and cross the central divider. The second is to drive an operating bus to park in the expressway lane. Third, driving a medium-sized bus, school bus or dangerous goods transport vehicle at a speed of more than 20% per hour.