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In page Minsk:

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Minsk is the only city in Belarus with an underground metro system. Construction of the metro began in 1977, soon after the city reached over a million people, and the first line with 8 stations was opened in 1984. Since then it has expanded into three lines: Maskoŭskaja, Aŭtazavodskaja, and Zielienalužskaja which are 19.1, 18.1 and 3.5 km (11.9, 11.2 and 2.2 mi) long with 15, 14 and 4 stations, respectively. On 7 November 2012, three new stations on the Moskovskaya Line were opened and another on 3 June 2014.[citation needed]. Construction of the third line began in 2011 and the first stage opened in 2020. Some layout plans speculate on a possible fourth line running from Vyasnyanka to Serabranka micro-rayons.[citation needed]