From March 1 day, 2020 in Kunshan, except G3 12, S339 and S343, all non-Kunshan motorcycles, mopeds, fuel-powered mopeds and motor tricycles are banned from all roads in China, and local motorcycles in Kunshan are not allowed to pass. Yushan Town is the political, economic, cultural and commercial center of Kunshan City. It is an ancient water town with profound cultural background and a long history, and it is also a modern industrial and commercial center.