All day long. According to inquiries related to Qingjiangpu, we learned that the restricted hours for trucks in Qingjiangpu District, Huai'an City are all day long. Trucks in Qingjiangpu District, Huai'an are prohibited from taking photos, and blue-plate trucks are not allowed to enter the urban area. The notice on the implementation of yellow card truck traffic restrictions in some areas of Qingjiangpu District is to further strengthen road traffic management, effectively improve ambient air quality, and ensure safe and smooth road traffic. Punishment method for trucks entering restricted areas: fined 100 yuan, no points deducted.