Following the Elizabeth tunnel breakthrough, we've completed around 85% of tunnelling across the HS2 route✅.

Find out more: https://hs2.org.uk/tunnels

📣 Our record breaking 2.1-mile long Colne Valley Viaduct is now structurally complete.

#construction #colnevalley #viaduct #infrastructure #engineering #hs2 #bridge #train #architecture #complete

Our giant tunnelling machine Mary Ann has completed her 3.5-mile dig, marking the end of her mission to excavate the first bore of what will soon become the longest railway tunnel in the #WestMidlands.

Watch the impressive moment she broke though 🎥
youtu.be/Yywrn8wNsQk

We've successfully installed a 14,500-tonne box structure, which will carry the #HS2 line under the A46 in #Warwickshire.

The team will now complete drainage works and install a new road surface and markings, before reopening the road at 6am on Thursday, 1 May.

@nationalhighways.bsky.social