Trans-Siberian Railway one side of the lake to the other until the completion of the Lake Baikal spur along the southern edge of the lake. With the Amur River Line north of the Chinese border being completed in 1916, there was a continuous railway from Petrograd to Vladivostok that remains to this day the world's longest railway line. Electrification of the line, begun in 1929 and completed in 2002, allowed a doubling of train weights to 6,000 tonnes. There were expectations upon electrification that it would increase rail traffic on the line by 40 percent. The additional Chinese Eastern Railway was constructed
Return of the Chinese Eastern Railway the Soviet Union would regain partial control of the China Eastern Railway in the same arrangement as the original Russian concession from 1896. The railway was to be jointly owned and operated by the Soviet Union and Republic of China. In addition, the Soviet Union would regain sovereign interest in the ports of Lüshun and Dalian, which were at the terminus of the southern branch of the Chinese Changchun Railway, the South Manchuria Railway. The Yalta Agreement stated: "The Chinese-Eastern Railroad and the South Manchuria Railroad, which provides an outlet to Dairen shall be jointly operated by the establishment of