Type:
Tunnel
Phase:
Phase 1
Status:
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All four Northolt Tunnel TBMs extracted
HS2 Ltd
5 Sept 2025
Northolt Tunnel progress update: 🚆 HS2 finishes excavation of 8.4 mile Northolt Tunnel in London 🏗️
27 Jun 2025
HS2’s Northolt Tunnel under the capital is 50% complete
18 Jul 2024
New tunnelling machine joins three others digging high-speed line under London
25 Feb 2024
Lift off! HS2’s latest London tunnelling machine assembled 25 metres below ground
24 Oct 2023
Tunnel and east side of Old Oak Common station site
