Further significant progress in excavating HS2’s Northolt Tunnel was made when the third of four tunnel boring machines completed its work on 6th June.
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HS2 breaks through in Birmingham
HS2’s giant tunnelling machine Mary Ann broke through on Friday 9 May, marking the end of her mission to excavate the first bore of what will soon become the longest railway tunnel in the West Midlands. The 125-metre-long machine began constructing the 3.5-mile (5.8km) Bromford Tunnel, which starts at the Warwickshire village of Water Orton […]