一、沪宁城际客运铁路的规划建设背景与功能定位上海至南京之间的沪宁铁路全长约300公里,是我国最早建设的重要铁路干线之一。1908年单线沪宁铁路建成通车,当时的列车最高运行时速不到40公里;1933年在南京下关与浦口之间的长江上建成火车轮渡,开通了从上海直达北平的列车;20世纪50～60年代起沪宁线开始复线改造,到1980年沪宁全线复 I. Planning and Construction Background and Functional Orientation of Shanghai-Nanjing Intercity Passenger Railway The Shanghai-Nanjing Railway between Shanghai and Nanjing is about 300 km in length. It is one of the earliest major railway lines constructed in China. In 1908, the single-lane Shanghai-Nanjing railway was opened to traffic. At that time, the maximum operating speed of the train was less than 40 kilometers per hour. In 1933, a train ferry was built on the Yangtze River between Xiasha and Pukou in Nanjing, opening up a direct train from Peking to Peiping. In the 20th century, Since the 60’s Shanghai-Nanjing line began double-track transformation, Shanghai and Nanjing to 1980 across the board complex