Căile Ferate Române Line 800
Line 800 is one of CFR's main lines in Romania, having a total length of . The main line, connecting Bucharest with the Black Sea coast at Mangalia, passes through Fetești, Medgidia, and Constanța. This railway line was upgraded and since July 2014 trains can run on most distance with a speed of for passenger trains, and for freight trains. The fastest passenger trains can cover the distance of between Bucharest and Constanța in less than two hours.