it starts at 7: 11 am and ends at 19: 11 pm every day. According to the announcement of the traffic management department of Qinhuangdao, it is known that the traffic restriction in Qinhuangdao starts from 7: 11 am to 9: 11 pm every day (excluding legal holidays, Saturdays and Sundays). Qinhuangdao, a prefecture-level city under the jurisdiction of Hebei Province, is a type II big city, the first batch of coastal open cities in China and the earliest independent trading port in China.