On 25.04.2013 construction started on Stage III of Line 1 Metro extension Mladost 1-Business Park-Mladost 4 in Sofia, Bulgaria. The new section, to be built totally underground using cut/cover, is 2.7 km-long with 3 metro stations. Deadline for completion of the section and the stage is 25.04.2015. Click bg/11. Visit www.metropolitan.bg. 18/13.
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