Chiltern main line landslip causes more disruption Chiltern main line landslip causes more disruption

Another landslip is causing disruption, this time on the Chiltern main line from London Marylebone. Engineers from Network Rail closed one line north of Stoke Mandeville two days ago, in reaction to a track defect. An inspection of the area has now revealed that the embankment is moving, and that some 5,000 tonnes of material has slipped.

HS2 milestone as tunnelling machine breaks through in the Chilterns HS2 milestone as tunnelling machine breaks through in the Chilterns

A tunnelling machine on HS2 has completed a 16km journey by breaking through at the North Portal of the Chiltern Tunnel. The journey of TBM Florence has taken 2 years and 11 months, travelling at about 16 metres a day, but a train will travel through the tunnel in a few minutes when HS2 is open between London and Birmingham. Florence, which weighs in at 2,000 tonnes, has excavated 3 million cubic metres of material during the journey, which will be used to restore a grassland. The TBM is one of 10 machines excavating 51km of tunnels, and was the first to be launched, in May 2021.

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