There are no trucks, including blue brand trucks. No truck sign means that trucks are prohibited from entering, so even the blue sign can't enter. Some roads will clearly indicate the no-go period. If there is no clear time period, it means that the whole day is closed. If a blue truck without a pass violates the sign and prohibits driving, it shall be given a warning or a fine of not less than 20 yuan but not more than 200 yuan.

If a blue truck without a pass violates the prohibition sign, it belongs to a motor vehicle driver who violates the laws and regulations on road traffic safety, and is given a warning or a fine of more than 20 yuan but less than 200 yuan. Some cities have also gradually liberalized their policies, allowing some light trucks to enter the urban areas, and gradually liberalized the time period from the original all-day ban to avoid driving into restricted sections during peak hours to aggravate congestion. Electronic capture of trucks entering the no-go zone without applying for a pass, but not passing according to the prescribed route and time after applying for a pass. There will definitely be relevant law enforcement officers or cameras to capture the prohibited sections of the truck.

Legal basis: Article 107 of the Road Traffic Safety Law of the People's Republic of China.

If the violator of road traffic is given a warning or a fine of less than 200 yuan, the traffic police may make a decision on administrative punishment on the spot and issue a written decision on administrative punishment.

The written decision on administrative punishment shall specify the illegal facts of the parties, the basis of administrative punishment, the content, time and place of punishment and the name of the punishment organ, and shall be signed or sealed by law enforcement officers.