Invitation to tender under restricted procedure, deadline 07.02.2011, for construction of the Aviapolis tunnel section, including the new station, for the Ring Rail Line. For more contact Liikennevirasto PL 33, attn Mrs Maija Salonen, Helsinki, tel+358 206373834, e-mail etunimi.sukunimi@liikennevirasto.fi. Visit here for the alignment and http://ted.publications.eu.int/udl?request=Seek-Deliver&language=en&docid=021947-2011. 04/11.