Novosibirsk is the third-largest city in Russia (after Moscow and St. Petersburg) and the first in Siberia in which a metro system was established (the Novosibirsk Metro, opened in 1985). It is a major stop on the Trans-Siberian Railway. The city is served by Novosibirsk Tolmachevo Airport with regular flights to Europe and Asia as well as to other Russian cities. Tolmachevo is the hub for S7 Airlines. There is also the auxiliary Yeltsovka Airport. A smaller field for general aviation at Novosibirsk Severny Airport was closed in 2012.
From other modes of transport there is a bus (launched in 1923), tram (launched in 1934), trolleybus (launched in 1957) and marshrutka's.