The main traffic line 12 is 40.4 kilometers long, starting from Qixin Road Station in Minhang District and passing through Gudai Road, Cao Bao Road, Longcao Road, Longhua Road, Damuqiao Road, Shaanxi South Road, Maoming Road, Chang 'an Road, Qufu Road, Tiantong Road, Dongzhangzhi Road, Changyang Road, Fuxing Island (crossing Huangpu River) and Jufeng Road. The 32 stations are underground stations, namely: Qi Xin Road Station, Hongxin Road Station, Gudai Road Station, Donglan Road Station, Hongmei Road Station, Hongcao Road Station, Guilin Park Station, Caobao Road Station, longcao road, Longhua Road Station, Shipyard Road Station, Damuqiao Road Station, Jiashan Road Station, Shaanxi South Road Station, Nanjing West Road Station, Hanzhong Road Station and Qufu Road Station.