What are the special regulations for the speed limit of expressways in rainy and snowy days?

Legal analysis: In case of fog, rain, snow, dust, hail and other low visibility meteorological conditions, when the visibility is less than 200 meters, the speed should not exceed 60 kilometers per hour; When the visibility is less than 100 meters, the speed shall not exceed 40 kilometers per hour; When the visibility is less than 50 meters, the speed shall not exceed 20 kilometers per hour.

Legal basis: Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China

Forty-second motor vehicles driving on the road shall not exceed the maximum speed indicated by the speed limit sign. Keep a safe speed on the road without speed limit signs.

When driving at night or on dangerous sections, when encountering meteorological conditions such as dust, hail, rain, snow, fog and ice, the driving speed should be reduced.

Article 81 When a motor vehicle runs on an expressway, it shall abide by the following provisions when it encounters low visibility meteorological conditions such as fog, rain, snow, dust and hail:

(a) when the visibility is less than 200 meters, turn on the fog lights, low beam lights, position lights and front and rear position lights, the speed shall not exceed 60 kilometers per hour, and keep a distance of more than 100 meters from the vehicle in front of the same lane;

(2) 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, 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;

(3) When the visibility is less than 50 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 20 kilometers per hour, and leave the expressway from the nearest exit as soon as possible.

In case of the circumstances specified in the preceding paragraph, the expressway management department shall release the prompt information such as speed limit and distance keeping through the display screen.