Which types of vehicles are exempt from tolls on highways?

[LaJack]

There are roughly seven types of vehicles exempt from tolls on highways. Here is a detailed introduction to these seven types: Public vehicles of the national military and armed police: Trucks that meet the relevant "green channel" regulations Vehicles approved by the State Council, the Ministry of Transport, or provincial governments for disaster relief. Police cars, ambulances, and fire trucks performing emergency tasks. Work vehicles of local public security, state security, traffic police, and transportation departments. Emergency vehicles for flood control, fire prevention, and disaster relief in various regions. Small passenger vehicles with seven seats or fewer during major holidays.