20 1 1 0 1 what are the traffic conditions in Beijing, Shanghai and expressway? How's the weather? Is it suitable for driving?

3 1 day, sunny or cloudy in South China, with a temperature of -4 to 5 degrees and good weather conditions. The weather in North China is clear, the temperature is between-10 and 1 degree, and the weather conditions are good.

The traffic situation is estimated that there will be more vehicles going home, so you should go out early, otherwise the traffic jam will be easy to be late.