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
Trans-Siberian Railway project, proposed by the American entrepreneur Perry Collins and supported by Transport Minister Constantine Possiet with a view toward connecting Moscow to the Amur River, and consequently, to the Pacific Ocean. Siberia's governor, Nikolay Muravyov-Amursky, was anxious to advance the colonisation of the Russian Far East, but his plans could not materialise as long as the colonists had to import grain and other food from China and Korea. It was on Muravyov's initiative that surveys for a railway in the Khabarovsk region were conducted. Before 1880, the central government had virtually ignored these projects, because of the weakness of Siberian