What is the speed limit of Yunmengyun steep line?

1. For roads without road center lines, urban roads are 30km per hour and expressways are 40km per hour.

2. For roads with only 1 motorway in the same direction, urban roads are 50 kilometers per hour and expressways are 70 kilometers per hour.

3. In case of abnormal weather, the visibility is within 50m, the maximum speed limit is 30km/h, and the road runs abnormally (ice, snow, mud, etc.). ), and can't exceed 30 km/h. ..

Speed limit usually refers to the speed within a certain numerical range for a certain length and distance. The main purpose is to remind drivers to control the speed reasonably in advance to prevent the danger of speeding in the subsequent sections ahead. Speed limit is an indispensable link in highway transportation safety.