INFRASTRUCTURE

HS2's tunnelling into Birmingham reaches halfway point

HS2’s 1600t TBM ‘Mary Ann’ has excavated and built 1.75 miles of the 3.5-mile Bromford Tunnel

HS2’s TBM Mary Ann halfway through building the Bromford Tunnel-2. Credit; HS2

HS2’s TBM Mary Ann halfway through building the Bromford Tunnel-2. Credit; HS2

The construction of HS2's gateway to Birmingham has taken a step forward as the 125m-long TBM digging the first bore of the Bromford Tunnel has reached the halfway point. The 1600t TBM, named ‘Mary...

Start a free trial to continue reading this article

Already have an account?

Subscribe now