Trans-Siberian Railway adventures. The railway is often associated with the main transcontinental Russian line that connects hundreds of large and small cities of the European and Asian parts of Russia. At a Moscow–Vladivostok track length of , it spans a record eight time zones. Taking eight days to complete the journey, it is the third-longest single continuous service in the world, after the Moscow–Pyongyang and the Kiev–Vladivostok services, both of which also follow the Trans-Siberian for much of their routes. The main route of the Trans-Siberian Railway begins in Moscow at Yaroslavsky Vokzal, runs through Yaroslavl, Chelyabinsk, Omsk, Novosibirsk, Irkutsk, Krasnoyarsk, Ulan-Ude,
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