Main site activities in the Colne Valley Viaduct area – https://www.hs2.org.uk/work-items/main-site-activities-in-the-colne-valley-viaduct-area/
Main site activities in the Harvil Road & Copthall area – https://www.hs2.org.uk/work-items/main-site-activities-in-the-harvil-road-area/
Main site activities in the Breakspear Road area – https://www.hs2.org.uk/work-items/main-site-activities-in-the-breakspear-road-area/
- Main site activities in the West Ruislip area – https://www.hs2.org.uk/work-items/main-site-activities-in-the-west-ruislip-area/
Main site activities in the South Ruislip area – South Ruislip Vent Shaft works area