The maximum speed limit is increased to120km/h for the section with the design speed of 100km/h; The speed limit of the tunnel is increased from 60 km/h to 80 km/h;
You must turn on the light when entering the tunnel, and it is forbidden to change lanes throughout the tunnel. When you need to take photos through the special lighting belt, you should strictly abide by the regulations of the maximum speed limit of 80 kilometers and the minimum speed limit of 60 kilometers in the tunnel, and it is forbidden to put your hand out of the window when taking photos.