1　渤海海峡跨海工程东通道由大连到烟台 ,穿越渤海海峡 ,计划 2 0 1 0年完成 ;西通道由蓬莱到旅顺 ,计划 2 0 2 0年完成。预计投资 60 0亿元。2　长江口越江工程连接长江口崇明、长兴、横沙三岛 ,设想为东、西两条线 ,西线作为沿海南北交通大走廊 ,计划 2 0 1 0年完成 ;东线与 1 The East Passage of the Bohai Strait Cross-sea Project Passes the Bohai Strait from Dalian to Yantai and is scheduled to be completed in 2010; the West Passage is from Penglai to Lushun and is scheduled to be completed in 2020. Estimated investment 60 billion yuan. 2 The Yangtze River Estuary River Crossing Project connects Chongming, Changxing and Hengsha Mishima at the mouth of the Yangtze River. It is assumed to be the east and west two lines. The west line is to be used as the coastal north-south traffic corridor. It is planned to be completed in 2010;