HS2 in Hillingdon
Britain's new high-speed railway
HS2 trains emerge at the West Ruislip portal in Hillingdon and then run alongside the Chiltern railway, before travelling onwards through Copthall tunnel and on to the Colne Valley viaduct.
This area around the new high-speed railway will also feature over 40 hectares of new habitat, known as sustainable placement areas.
Programme reset
In autumn 2024, the government confirmed we’ll build HS2 to Euston. We’re now preparing to build the tunnel from Old Oak Common. We’ll start work on the tunnel shafts, headhouses and station approaches later.
We’re reviewing the whole HS2 programme as part of a major reset. This means we’re making sure we build everything in the right order. We’ll keep you updated on when work at the Euston approaches and Euston tunnel headhouses will restart.
What we're building in Hillingdon
West London habitat creation
The areas between the HS2 tunnel portal near West Ruislip Underground station and the western end of Harvil Road are dedicated habitat creation sites. We’re creating over 40 hectares of new habitat, known as sustainable placement areas, around Copthall tunnel.
Copthall tunnel
Copthall tunnel sits between Harvil Road in the west and Breakspear Road South in the east.
Colne Valley viaduct
The Colne Valley viaduct stretches for more than 2 miles (3.4km). It crosses a series of lakes and waterways between Hillingdon and the M25.
Current work in the area
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