Trans-Siberian Railway - Chelyabinsk - Kurgan route should be for DC EMUs and for the other trains. Trans-Siberian lines except high platform line (see above) should be for most platforms and for some platforms. 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
West Siberian taiga Siberian taiga ecoregion, which is colder and more rugged in terrain. The southern edge of the region lies north of the belt of temperate forests and forest-steppe that runs along the Trans-Siberian railway. Because the West Siberian ecoregion is thus outside of the normal agricultural and developed strip of southern Russia, it is sparsely populated, although the city of Yekaterinburg is at the extreme southwest corner of the region. The city of Surgut is the largest city in the interior (with just over 300,000 inhabitants). To the north is the tundra of the Yamal-Gydan tundra ecoregion (covering the Ob River