| Update: Notice of night work near Chiltern Line | Completed | Ickenham | 03/05/2021 | 03/05/2021 |
| Notice of ground investigation survey work, Pipe Ridware | Completed | Pipe Ridware | 02/04/2021 | 28/05/2021 |
| Notice of ground investigation survey work, Colton | Completed | Colton | 03/03/2021 | 28/05/2021 |
| Notice of test piling works on B4114 Birmingham Road, Coleshill | Completed | Coleshill | 19/04/2021 | 21/04/2021 |
| A413 full closure at Little Missenden postponed | Completed | Little Missenden | 13/04/2021 | 31/05/2021 |
| Notice of pipeline diversion works north of Curborough, Lichfield | Completed | Lichfield | 26/04/2021 | 31/12/2021 |
| Notice of temporary traffic lights – Coventry Road, Cubbington | Completed | Cubbington | 04/05/2021 | 07/05/2021 |
| Notice of pipeline diversion works north of Curborough, Lichfield | Completed | Lichfield | 26/04/2021 | 31/12/2021 |
| Notice of daytime road closure – Diddington Lane | Completed | Hampton in Arden | 28/04/2021 | 29/04/2021 |
| Notice of temporary traffic lights – Balsall Common | Completed | Balsall Common | 30/04/2021 | 30/04/2021 |
| Notice of overnight utility surveys on Park Royal Road and Cullen Way | Completed | Old Oak | 21/04/2021 | 22/04/2021 |
| Update: notice of vegetation clearance works | Completed | Old Oak | 12/04/2021 | 26/04/2021 |
| Old Oak Common Lane maintenance closure by Ealing | Completed | Old Oak | 10/04/2021 | 10/04/2021 |
| Utility diversion works Calvert | Completed | Calvert | 19/04/2021 | 31/05/2021 |
| Notice of ground investigation survey work, Blithbury | Completed | Blithbury | 02/04/2021 | 28/05/2021 |
| Utility Works Masshouse Lane and Moor Street | Completed | Birmingham | 12/04/2021 | 23/05/2021 |
| Notice of works south of the Chiltern Line | Completed | Ruislip | 22/02/2021 | 14/05/2021 |
| Notice of drainage inspections Aston Church Road | Completed | Birmingham | 22/04/2021 | 23/04/2021 |
| Notice of road and footpath update, Appletree Lane | Completed | Chipping Warden | 14/04/2021 | 31/05/2026 |
| Notice of ground investigations surveys – Attleboro Lane, Water Orton | Completed | Water Orton | 19/04/2021 | 17/05/2021 |