December 2021 - Construction underway on tunnel; April 2021 - The groundbreaking ceremony for the motorway cover in Altona held; January 2021 - Deutsche Einheit Fernstrabenplanungs- und -bau awarded a EUR580mn (USD715.3mn) contract to a joint venture between HOCHTIEF and Implenia to build the 2.2km Altona noise protection tunnel; August 2020 - STRABAG has won a EUR200mn (USD238mn) contract from Deutsche Einheit Fernstrabenplanungs- und -bau to widen the Hochstrabe Elbmarsch A7 motorway viaduct in Germany from three to four lanes in both directions