| Update on earthworks at the site on Breakspear Road South | Completed | | 17/06/2024 | 05/05/2025 |
| Notice of traffic management, Wormleighton Road, Boddington | Completed | | 04/01/2025 | 24/02/2025 |
| UPDATE: Notice of weekend road closures, Greatworth Temporary Road, Greatworth | Completed | Greatworth | 31/01/2025 | 10/02/2025 |
| Update on dates to install two tower cranes at Mandeville Road Vent Shaft site | Completed | Mandeville Road | 01/02/2025 | 16/03/2025 |
| UPDATED Notice of Road Closure, Calvert Road, Calvert | Completed | Calvert | 08/11/2023 | 01/06/2026 |
| Update on overnight and weekend works at Euston Approaches | Completed | Euston Approaches | 31/05/2025 | 29/06/2025 |
| Newsletter: North Chilterns Area | Winter 2024 | Completed | | 12/12/2024 | 20/03/2025 |
| Newsletter: Calvert | Winter 2024 | Completed | | 12/12/2024 | 20/12/2025 |
| Notice of Lane Closure on Station Road North, Quainton | Completed | Quainton | 13/01/2025 | 17/01/2025 |
| Tower cranes dismantle at Old Oak Common | Completed | Old Oak Common lane | 14/12/2024 | 17/12/2024 |
| Installation of nesting bird islands at Broadwater Lake, Hillingdon | Completed | Colne Valley | 06/01/2025 | 19/01/2025 |
| Temporary closure of northbound lane of Old Oak Common Lane for approximately one hour on 14 December | Completed | Old Oak Common lane | 14/12/2024 | 14/12/2024 |
| Notice of Public Rights of Way Closure, Wendover | Completed | | 27/01/2025 | 29/01/2025 |
| Update: 24-hour works at South Ruislip Vent Shaft site – January to March 2025 | Completed | South Ruislip | 06/12/2025 | 15/03/2025 |
| Newsletter: Greatworth to Southam| Winter 2024 | Completed | | 11/12/2024 | 20/03/2025 |
| Third party telecommunications work at the Adelaide Road site | Completed | | 06/01/2025 | 20/01/2025 |
| Update: Road resurfacing on Westgate, Hanger Lane | Completed | Westgate | 12/12/2024 | 13/12/2024 |
| Notice of A46 weekend closures and lane restrictions, near Kenilworth | Completed | | 07/02/2025 | 17/02/2025 |
| Notice of Bacombe Lane closure, Wendover | Current | | 09/12/2024 | 01/12/2026 |
| Cross passage construction in Hanger Lane area | Completed | Western Avenue | 06/01/2025 | 25/01/2025 |