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
West Siberian Railway West Siberian Railway West Siberian Railway () is a Rail operator of Russian Railways and part of the Great Trans-Siberian Railway crossing the Omsk, Novosibirsk, Kemerovo, Tomsk, and Altai regions of the Russian Federation as well as a portion of Kazakhstan. The company is headquartered in Novosibirsk and operated by the Russian Railways. The mainline was built between 1892 and 1896 by the Russian imperial government under Sergei Witte. Its railway route length exceeds 6000 km. The Turkestan–Siberia Railway branches off from Barnaul to the south, connecting Siberia to Central Asia. The network has 63 363 employees (as of 2009).