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 (Chelyabinsk to the River Ob) was finished at a cost £900,000 less than the estimate. Railwaymen fought against suggestions to save funds, for example, by installing ferryboats instead of bridges over the rivers until traffic increased. The designers insisted and secured the decision to construct an uninterrupted railway. Unlike the rejected private projects that intended to connect the existing cities demanding transport, the Trans-Siberian did not have such a priority. Thus, to save money and avoid clashes with land owners, it was decided to lay the railway outside the existing cities. Tomsk was the largest city, and the most unfortunate,