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
Far Eastern Railway is hoping to implement the idea of constructing the Trans-Korean Main Line and then connect it with the Trans-Siberian Railway one day. Indeed, further development of the Khasan—Tumangang border crossing may provide additional 10 million tonnes of cargo per year, according to some forecasts, let alone a potential two-way traffic of up to 200,000 cargo containers per year from the port of Busan. The Grodekovo—Suifenhe City border crossing in Primorsky Krai also plays an important role in the Russo-Chinese economic relations. The freight traffic between the two countries increases by one million tonnes per year. Strong ties with the ports