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 1,520 mm (4 ft 11 27⁄32 in) in Russia and Mongolia and 1,435 mm (4 ft 8 1⁄2 in) in China. There are important branches leading to Erdenet and Baganuur.

Trans-Mongolian Railway History

Railway development came late to Mongolia. Construction of the Trans-Mongolian 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 43 km (27 mi) line (opened in 1938) connecting the coal mines at Nalaikh to the capital and a Soviet-built 236 km (147 mi) 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.

Trans-Mongolian Railway Operation

The Mongolian Railway company Mongolyn Tömör Zam carries 80% of all freight and 30% of all passenger transport within Mongolia. In the aftermath of the 1990 Democratic revolution freight traffic was reduced by about half, but by 2005 had almost returned to previous levels. Passenger numbers had already reached the old levels again by 2001, with 4.1 million passengers. Most trains are headed by at least two locomotives.

While Mongolian trains run on 1,520 mm (4 ft 11 27⁄32 in) (Russian gauge) track, China uses 1,435 mm (4 ft 8 1⁄2 in) (standard gauge). For this reason through carriages between the two countries must have their bogies changed at the border. Each carriage has to be lifted in turn to have its bogies changed and the whole operation, combined with passport and customs control, can take several hours. Freight wagons likewise have their bogies exchanged at this break-of-gauge.

Trans-Mongolian Railway Ownership

While state owned, there are plans to sell 51% of the shares to investors to finance the enlarged network.

Trans-Mongolian Railway New Lines

In October 2014, the Mongolian government announced its intention to build large-scale transport infrastructure projects to boost mineral shipments from Russia to China via the Trans Mongolian Railway. A 547 km line will be constructed from Erdenet to Ovoot. "In addition this new railway will bring major economic and social benefits to Northern Mongolian provinces as economic development and regional integration is fast-tracked" said the managing director of Aspire Mining, the company in charge of the railway construction.

Mongolian Railway State Owned Share Holding Company has received a license to build a new railway network to allow for exports of the mining sector in 2011. First phase of the construction will be a Dalanzadgad-Tavantolgoi-Tsagaansuvarga-Zuunbayan-Sainshand-Baruun Urt-Khoot-Choibalsan alignment about 1100 km long in Russian gauge.

As of Spring 2012, MTZ SOSC began the construction work.

One smaller line already attaches to the Chinese network in western Mongolia from Nariin Sukhait (coal mine) to Shiveekhüren (Chinese border) for 45 km.

Further lines planned are Ukhaa Khudag (part of the Tavan Tolgoi coal field) - Oyu Tolgoi (copper/gold mine) - Gashuun Sukhait (Chinese border) of ca. 260 km in Chinese gauge.

Trans-Mongolian Railway Main Station Route

Trans-Mongolian Railway Line Length: 2,215 km (1,376 mi)
Trans-Mongolian Railway Track Gauge: 1,520 mm (4 ft 11 27⁄32 in) Russian gauge

km        Station

5650     Trans-Siberian at Ulan-Ude
5769     Zagustay
5895     Naushki

Russia - Mongolia border

5925    Sükhbaatar
6304    Ulaanbaatar
7013    Zamyn-Üüd

Mongolia - China border

7023    Erenhot
7356   Chinese Railway system at Jining

Trans-Mongolian Railway All Stations Route

km        Station

5650     Trans-Siberian at Ulan-Ude

Selenga River

5769     Zagustay

Gusinoye Ozero

5852    Dzhida


5895     Naushki

Russia - Mongolia border

5925     Sükhbaatar
6023     Darkhan


6304     Ulaanbaatar

Khar Airag

6778     Sainshand
7013     Zamyn-Üüd

Mongolia - China border

7023     Erenhot


7356    Chinese Railway system at Jining

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