At Guangzhou Baiyun International Airport, Guangdong province, nearly 1,000 passengers missed their planes due to a traffic jam on the airport expressway, officials said. Passengers around the country were advised to take subways to airports when possible.

Provinces took measures to ease traffic congestion on Sunday.

In Jiangsu province, police used 80 drones for traffic surveillance. About 1,000 patrol cars equipped with video transmission systems received real-time information sent by the drones. The drones had helped clear 52 minor road crashes by 4 pm Sunday, according to the provincial public security department.

Tourists were estimated to have made 115 million trips across China on Sunday, a year-on-year increase of 10.5 percent, according to the China National Tourism Administration.

Those tourists were estimated to have spent 96.5 billion yuan ($14.5 billion), 12.2 percent more than on National Day last year.

For tourists heading abroad, Russia, Australia and the United States were cited by industry sources as popular destinations, as were countries in eastern and southeastern Asia.