| BAM Nuttall, Morgan Sindall, Balfour Beatty JV (west) and Costain, Vinci, Bachy Soletanche (east) |
| London |
| Feb 2018 |
| Dec 2023 |
| Fusion - Morgan Sindall Infrastructure, Ferrovial Agroman and BAM Nuttall joint venture |
| London to Birmingham |
| Jan 2018 |
| Current |
| Eiffage - Kier - Ferrovial - Bam Nuttall joint venture |
| Amersham to Leamington Spa |
| Oct 2020 |
| Current |