The specific area is: along Yangpu Bridge and its ground roads-Zhoujiazui Road-Simon Road-Yixian Road-Zhongchang Road-Hutai Road-Wenshui Road-Zhenbei Road-Tianshan West Road-Jianhe Road-Beizhai Road -S20 Outer Ring Expressway (Beizhai Road to Cao Bao Road)-Cao Bao Road-Hongmei Road-Meilong Interchange-Hongmei South Road -S20 Outer Ring Expressway (Hongmei South Road).