In 2003. The expansion project of Wuxi section of National Highway 3 12 started construction in September 2003, was completed and opened to traffic in June 2005, and was completed and accepted in June 2005. The starting point of Huishan section of National Highway 3 12 is located on the east side of Fengxiang Road which is connected with the existing Tianyi Viaduct, along the existing old road to the west, and the ending point is located on the west side of Qianrong Road which is connected with the existing Luoxin Viaduct.