Construction has finished on HS2's longest tunnel, which includes extensions with ventilation holes carved out to prevent sonic booms. Trains travelling at 200mph will take only three minutes to go ...
Add Yahoo as a preferred source to see more of our stories on Google. View inside HS2's Chiltern tunnel. (High Speed Two (HS2) Limited.) HS2, the UK's High Speed 2 project developer, has finished the ...
Engineers working for the HS2 project completed the last of more than 2,000 concrete piles that will underpin the foundations ...
Add Yahoo as a preferred source to see more of our stories on Google. A giant 1,600-tonne machine called Madeleine that will bore a tunnel taking HS2 trains into central London has been switched on.
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