Trans-Siberian Railway e.g. used by train No.020, Moscow–Beijing follows the same route as the Trans-Siberian between Moscow and Chita and then follows this route to China: The express train (No. 020) travel time from Moscow to Beijing is just over six days. There is no direct passenger service along the entire original Trans-Manchurian route (i.e., from Moscow or anywhere in Russia, west of Manchuria, to Vladivostok via Harbin), due to the obvious administrative and technical (gauge break) inconveniences of crossing the border twice. However, assuming sufficient patience and possession of appropriate visas, it is still possible to travel all the way along
Trans-Mongolian Railway line began in 1947, reaching Ulan Bator from the north in 1950 and the Chinese border in 1955. Before that the only railways in Mongolia had been a line (opened in 1938) connecting the coal mines at Nalaikh to the capital and a Soviet-built freight-only branch (completed in 1939) from Borzya on the Trans-Siberian Railway to Bayantümen, Dornod near Choibalsan in north-eastern Mongolia. Russian Irkutsk State University of Railway Engineering opened its Ulaanbaatar branch in June 2009. The Mongolian Railway company "Mongolyn Tömör Zam" carries 80% of all freight and 30% of all passenger transport within Mongolia. In the aftermath