In pictures: HS2’s Chiltern tunnels project hits new milestone

By Jordan Marshall2020-07-31T05:00:00

Source: HS2 Ltd

Bouygues, Sir Robert McAlpine, and VolkerFitzpatrick have been carrying out the work

Preparation for the arrival of HS2’s first giant tunnelling machines has passed a major milestone.

A 17m high headwall and ground reinforcement at what will become the south portal of the 10-mile long Chiltern tunnel has been completed.

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