What is the maximum speed of visibility of 50 meters in rainy and snowy weather?

The visibility in rainy and snowy weather shall be within 50m, and the maximum speed shall not exceed 30km \u002F hours. The following are the precautions for driving in rainy and snowy weather: 1. Slow down and increase the distance: don't brake suddenly, speed up. Increase the distance between cars. 2. Slow turning: Many people are used to slow down when turning, and downshift when turning, which is a big taboo for driving in snowy days. 3. Lift the clutch slowly and drain the oil gently: drivers who drive manual transmission vehicles should remember to lift the clutch slowly and drain the oil gently. Slow down smoothly and brake lightly while driving. Don't start suddenly or brake suddenly on the icy road.