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.

The blue card micro-card belongs to the truck and will be restricted. It is recommended to check with the local traffic management department first. 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 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. If there are other provisions in this law, it shall be punished in accordance with its provisions. Therefore, the blue van will be fined 20-200 yuan and deducted 3 points if it violates the no-go instruction. There is no uniform regulation in the country, and each city has its own restrictions. In some cities, blue brand cars without passes are not allowed to enter the urban areas; In some cities, blue cars from other places can enter. Military vehicles, police cars, fire engines, school buses, ambulances, engineering rescue vehicles, and special vehicles for road clearing and accident rescue of public security traffic police departments are not restricted.

Legal basis: Article 107 of the Road Traffic Safety Law of the People's Republic of China gives a warning to road traffic violators and imposes a fine of not more than 200 yuan. The traffic police can 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.