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
Amur Railway and the Transbaikal section of the Transsib were merged to form the Transbaikal Railway. The construction of the Amur Railway was completed before the outbreak of World War I and cost over 250,000 million rubles. The eastern section of the railroad alone cost 73 million rubles. The famous Norwegian explorer and geographer Fridtjof Nansen referred to the Trans-Siberian Railway as a "technical wonder". Its construction favoured the rapid development of formerly backward regions of Siberia and Far East. Amur Railway The broad gauge Amur Railway (, or Amurskaya zheleznaya doroga) is the last section of the Trans-Siberian Railway in Russia,