March 9 (SeeNews) - Romania's transport minister Sorin Grindeanu said that Bucharest underground system operator Metrorex signed a 1.2 billion lei ($264 million/243 million euro) contract with a Turkish consortium comprised of Alsim Alarko and Makyol for the construction a 6.6 km section that will link the capital city with the Henri Coanda International Airport in Otopeni.