| Notice of utility surveys – Aston Church Road and Arley Road | Completed | Birmingham, Saltley | 04/05/2021 | 21/05/2021 |
| Notice of ground investigation survey work, Kings Bromley | Completed | Kings Bromley | 02/04/2021 | 28/05/2021 |
| Euston Station sound testing | Completed | Camden | 02/05/2021 | 07/05/2021 |
| Notice of work, pylon replacement scheme and footpath closures from Handsacre to Kings Bromley, Stafford – Update March 2022 – local electricity diversions complete | Completed | Handsacre, Kings Bromley | 10/03/2022 | 10/03/2022 |
| Notice of ground investigation survey work, Whitmore | Completed | Whitmore | 09/04/2021 | 11/06/2021 |
| Notice of ground investigation survey work, Madeley | Completed | Madeley | 09/04/2021 | 11/06/2021 |
| Update: Notice of night works at West End Road | Completed | Ruislip | 26/04/2021 | 05/05/2021 |
| 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 |