Cars move through a toll gate of highway in Beijing, capital of China, on Feb. 9, 2013. The highways in China will be toll-free for passenger cars from 0:00 on Feb. 9 to 24:00 on Feb. 15 when most Chinese will go home for the Spring Festival and return to work. (Xinhua/Zhang Yu)

A policeman checks a driving license in Fuzhou, capital of capital of southeast China's Fujian Province, Feb. 9, 2013. The highways in China will be toll-free for passenger cars from 0:00 on Feb. 9 to 24:00 on Feb. 15 when most Chinese will go home for the Spring Festival and return to work. (Xinhua/Wei Peiquan)

A car moves through a toll gate of highway in Changsha, capital of central China's Hunan Province, on Feb. 9, 2013. The highways in China will be toll-free for passenger cars from 0:00 on Feb. 9 to 24:00 on Feb. 15 when most Chinese will go home for the Spring Festival and return to work. (Xinhua/Li Ga)

A car moves through a toll gate of highway in Changsha, capital of central China's Hunan Province, on Feb. 9, 2013. The highways in China will be toll-free for passenger cars from 0:00 on Feb. 9 to 24:00 on Feb. 15 when most Chinese will go home for the Spring Festival and return to work. (Xinhua/Li Ga)

A car moves through a toll gate of highway in Changsha, capital of central China's Hunan Province, on Feb. 9, 2013. The highways in China will be toll-free for passenger cars from 0:00 on Feb. 9 to 24:00 on Feb. 15 when most Chinese will go home for the Spring Festival and return to work. (Xinhua/Li Ga)

A staff member of Fuquan highway monitors the traffic situation in Fuzhou, capital of capital of southeast China's Fujian Province, Feb. 9, 2013. The highways in China will be toll-free for passenger cars from 0:00 on Feb. 9 to 24:00 on Feb. 15 when most Chinese will go home for the Spring Festival and return to work. (Xinhua/Wei Peiquan)