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
East Siberian Railway perfected the design of alternating current locomotives, overhead catenary system, means of communication, signaling, centralised traffic control and the automatic block system, all of which would later be introduced on other railways in one way or another. 97% of the traffic along the East Siberian Railway is done by means of electric traction. The East Siberian Railway consists of several sections, one of which is the Circum-Baikal Railway – a monument to industrial architecture of federal importance. It stretches for over from the Baikal railway station to the Kultuka railway station. The uniqueness of this wonder of engineering is that