Trans-Siberian Railway, blue line as used today, red: original line, map, 2013, author: Reinhard Dietrich; source: Wikimedia Commons, http://commons.wikimedia.org/wiki/File:Transsibirische_Eisenbahn.png, public domain.
At 9288 kilometres, the Trans-Siberian Railway (built 1891–1916) is the world’s single longest railway line, connecting Moscow with the Pacific port of Vladivostok. The blue line shows its present, the red its earlier route.
Trans-Siberian Railway, blue line as used today, red: original line, map, 2013, author: Reinhard Dietrich; source: Wikimedia Commons, public domain.