Trans-Siberian Railway Trans-Siberian Railway The Trans-Siberian Railway (TSR, ) is a network of railways connecting Moscow with the Russian Far East. With a length of , it is the longest railway line in the world. There are connecting branch lines into Mongolia, China and North Korea. It has connected Moscow with Vladivostok since 1916, and is still being expanded. It was built between 1891 and 1916 under the supervision of Russian government ministers personally appointed by Tsar Alexander III and his son, the Tsarevich Nicholas (later Tsar Nicholas II). Even before it had been completed, it attracted travellers who wrote of their
Trans-Mongolian Railway Trans-Mongolian Railway The Trans-Mongolian Railway follows an ancient tea-caravan route from China to Russia and connects Ulan-Ude, on the Trans-Baikal (Trans-Siberian) railway in Russia, with the Chinese city of Jining, by way of Ulaanbaatar in Mongolia. Other important stops are Sükhbaatar, Darkhan, Choir, and Zamyn-Üüd/Erenhot (border crossing and gauge-changing station). The line was built between 1949 and 1961. In most of Mongolia, it is single track, and in China double track. The gauge is in Russia and Mongolia and in China. There are important branches leading to Erdenet and Baganuur. Railway development came late to Mongolia. Construction of the Trans-Mongolian