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News on NortholtTunnel
HS2’s Northolt Tunnel Reaches Breakthrough After 14 Months of Continuous Excavation
- Jul, 04, 2025
- Tunneling Deep Excavations News On Projects / Industry
- United Kingdom, London
- Authored by: TheCivilEngineer.org
The excavation of the 8.4-mile Northolt Tunnel under London marks a pivotal achievement in the HS2 project, now recognised as Britain’s second-longest tunnel. This twin-bore tunnel, which stretches b...
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London Clay Excavated as Emily Hits Tunnel Breakthrough
- Jun, 20, 2025
- Tunneling General Construction Sustainable Development News On Projects / Industry
- United Kingdom, London
- Authored by: TheCivilEngineer.org
A significant achievement has been recorded on London’s HS2 project as tunnel boring machine (TBM) Emily completed its 3.4-mile excavation through the eastern section of the Northolt Tunnel. Launched...
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HS2 Northolt Tunnel: Celebrating the Halfway Mark
- Jul, 23, 2024
- Tunneling Concrete Structures General Construction General Civil News On Projects / Industry
- United Kingdom, London
- Authored by: TheCivilEngineer.org
HS2's Northolt Tunnel project has reached an impressive milestone, with half of the 8.4-mile twin-bore tunnel now complete. This achievement is the result of relentless efforts by four tunnel boring...
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