HS2 has started excavation of the final tunnel bore on the 140-mile railway between central London and the West Midlands.

Construction of HS2’s longest tunnel has been completed, almost five years after the works started.

Government has given the greenlight for contractors on the Lower Thames Crossing project to begin procurement of a tunnel boring machine (TBM).

A round-up of the most impressive construction pictures from the past month.

A round-up of the most impressive construction pictures from the past month.

Engineers from HS2’s London tunnels contractor, Skanska Costain Strabag joint venture, have begun lifting the last of four giant tunnelling machines to the surface.

Photos released by HS2 show how contractors lifted a giant tunnel boring machine using a gantry on Saturday (26 July) following the completion of its 5.5km journey across west London.