Claim: The Bucharest Metro Line M5 (opened on 15 September 2020) construction was started on the first section of the M5 and the expected construction cost was €708.6 million.
Evidence: M5 is the newest of the five lines of the Bucharest Metro, opened on 15 September 2020. In 2011, construction started on the first section of the M5. The expected construction cost was €708.6 million.