Tunnel portals that link the motorway and railway on land with the submerged tunnel are also under construction on both ends of the Fehmarnbelt. Maritime construction began in June 2020 ...

Contractors building HS2 have completed work on a pair of innovative extensions to the southern portal of its longest ...

“Was this the right decision? Should we have made the steel yellow?” The dRMM director is standing in the north portal building of east London’s newly opened Silvertown Tunnel, studying some ...