The traffic volume on the city’s expressways will rise 9 to 12 percent during the Chinese New Year holiday from the same period last year, Shanghai Road Administration said on Thursday.

The daily number of cars using the expressways from February 15 to 21 is estimated to be about 800,000.

On February 14 evening, heavy traffic congestion is expected in the outbound direction on G2, G15, G40, G50 and G60 that connects urban Shanghai to Chongming Island, Qidong and Haimen cities in Jiangsu Province.