The Coastal corridor is a high-speed rail corridor running along the eastern coast of China, stretching from Dalian in the north to Fangchenggang in the south and passing through the cities of Shenyang, Qinhuangdao, Tianjin, Dongying, Weifang, Qingdao, Lianyungang, Yancheng, Nantong, Shanghai, Ningbo. Wikipedia