Trans-Siberian Railway men and ammunition coming from west to east would have to wait in the sidings, whilst troops and injured personnel in a troop train travelling from east to west went along the line. Thus the Japanese were quickly able to advance whilst the Russians were awaiting necessary troops and supplies. After the Russian Revolution of 1917, the railway served as the vital line of communication for the Czechoslovak Legion and the allied armies that landed troops at Vladivostok during the Siberian Intervention of the Russian Civil War. These forces supported the White Russian government of Admiral Alexander Kolchak, based in
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,