What is the maximum speed of rain and snow?

The maximum driving speed shall not exceed 30 kilometers per hour. The related introduction is as follows: 1. Relevant regulations: Article 46 of the Regulations for the Implementation of the Road Traffic Safety Law: Under any of the following circumstances, the maximum speed of motor vehicles shall not exceed 30 kilometers per hour, of which tractors, battery cars and wheeled mechanical vehicles shall not exceed 15 kilometers per hour. 2. Maximum driving speed: When the visibility of a motor vehicle is within 50 meters and it encounters fog, rain, snow, dust and hail, the maximum driving speed shall not exceed 30 kilometers per hour.