Strabag secures contract to construct rail tunnel in Austria November 3, 2010 | Europe News Austria-based construction company Strabag has secured a EUR570 million contract from the Austrian federal Railways ÖBB Infrastruktur for the construction of the 32.5 km Koralm Tunnel in Austria. Stra... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password