HS2 contractors have completed work on a pair of innovative extensions to the southern portal of its longest tunnel to eliminate the possibility of ‘sonic boom’ being created by high-speed trains entering at 200mph. The Read more…
HS2’s second tunnel boring machine (TBM), named Caroline, has completed a 5-mile tunnel drive under London. This is the second machine to reach the Green Park Way vent shaft in Ealing, and one of four Read more…
The HS2 lifted Tunnel Boring Machine (TBM) ‘Sushila’ is out of the ground at the Green Park Way site in Greenford, West London following its 5-mile drive underneath the capital. The cutterhead, front and middle Read more…
The construction of a bridge that will allow HS2 trains to pass under the A43 near Brackley has made progress with the structure’s steel beams lifted into position recently during a series of three weekend Read more…