The UK’s High Speed 2 (HS2) railway project has achieved a milestone as its first tunnel boring machine (TBM) broke through the Chiltern Hills after nearly a three-year, 16km journey.

Justin Dealey/BBC HS2 said work to fill the hole would continue in the spring The sinkhole appeared in Bazzards Field, south west of Shardeloes Lake, above the 10-mile (16km) Chiltern tunnel ...

Excavation of HS2’s longest tunnel has been completed after a second machine reached the end of its 10-mile journey under the ...

Martyn Noak of HS2 Ltd said it was an "important tunnelling milestone". The Chiltern tunnel is the longest on the HS2 project, which is designed to improve links between London, Birmingham and the ...

HS2 has revealed timelapse footage showing the heaviest and longest single-stage viaduct deck slide on the project so far.

A HS2 worker stands in front of a tunnel boring machine (Jonathan Brady/PA) It said 38 of the 55 miles of twin-bore tunnels have been excavated, and 58% of engineering work to prepare the ground ...

HS2 said. Rail passengers will be affected on Saturday and Sunday, when the Chiltern Railways line between Great Missenden and Aylesbury will be closed. The A413 closure includes the Wendover ...

Image: The rare Bechstein's bat. Pic: PA HS2 will continue to build this bat tunnel, due to be complete in 2027, come what may. A compromise plan - that would see developers pay into a single ...

HS2 will continue to build this bat tunnel, due to be complete in 2027, come what may. A compromise plan - that would see developers pay into a single government-controlled pot - has left experts and ...