
On some mountainous sections of the Taihang Mountain Expressway, the speed limit is 80km/h, and speed cameras are installed in these areas. Below is relevant information: Regulations: According to the regulations, vehicles driving on the expressway must maintain a minimum speed of no less than 60 kilometers per hour and a maximum speed of no more than 120 kilometers per hour. There is no uniform speed limit division for lanes on the expressway; different sections may have different limits. Drivers should follow navigation prompts or expressway signage. Precautions: For most vehicles on the expressway, the speed limit for the first lane is between 110 kilometers per hour and 120 kilometers per hour, the second lane between 90 kilometers per hour and 110 kilometers per hour, and the third lane between 60 kilometers per hour and 90 kilometers per hour. Vehicles must adhere to these speed limits.


