What is the speed limit when visibility on the highway is below 100 meters?

[McAva]

When driving a motor vehicle on the highway under weather conditions with visibility below 100 meters, the maximum speed should not exceed 40 km/h. Here is relevant information: 1. Speed limits: Motor vehicles with a maximum speed below 70 km/h are not allowed on the highway. The maximum speed for small passenger vehicles should not exceed 120 km/h, motorcycles should not exceed 80 km/h, and other motor vehicles should not exceed 100 km/h. 2. Precautions: Do not hinder vehicles in the main lane when merging, strictly distinguish lane functions, maintain smooth traffic flow, adhere to speed limit regulations, maintain longitudinal distance between vehicles, do not reverse or make U-turns on the main lane, always hold the steering wheel firmly when driving at high speeds, and avoid large steering angles when changing lanes or overtaking.