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 international trade with Russia and Eastern Europe. The two international railway interchanges with Russian Railways at Manzhouli and Suifenhe are heavily used with dozens of daily international freight and passenger trains. The CCR is also one of the main routes for Trans-Eurasia Logistics which connects Germany to China with daily container train service. On the passenger operations side, the "Vostok" (Russia Railway train 19/20, China Railways K19/K20) runs once a week from Beijing to Moscow via Harbin. In addition, the new Harbin–Qiqihar High Speed Railway, Harbin–Dalian High-speed Railway and the Beijing–Harbin High-Speed Railway parallel the CCR to connect those cities,