Trucks with big yellow cards can't enter, but buses can; Blue brand trucks can enter the city.

Big yellow card: the height of heavy and medium-sized trucks and semi-trailers carrying goods shall not exceed 4 meters from the ground, and the vehicles carrying containers shall not exceed 4.2 meters.

Main types: carts; Two-wheeled and three-wheeled motorcycles; Large passenger cars; Agricultural vehicles.

Blue brand car: small car number plate, blue brand: white words and white wire frame on blue background. The number plate is installed on trucks with a total mass of less than 4500KG (excluding drivers) and cars with a capacity of less than 20 passengers (excluding drivers) and a body length of less than 6 meters (excluding drivers). Blue number plate: a car with a smaller number plate, usually a white frame with white characters on a blue background.

Rule: White wireframe with white characters on a blue background. The number plate is installed on trucks with a total mass of less than 4500KG (excluding drivers) and cars with a capacity of less than 20 passengers (excluding drivers) and a body length of less than 6 meters (excluding drivers).