HS2 Phase One (Old Oak Common–Birmingham, Euston tunnel)
- Stage: In construction (tunnelling machines working towards Euston; government reset, May 2026)was: In construction
- Value: £87.7bn to £102.7bn revised estimate (May 2026)was: £87.7bn–£102.7bn revised estimate (DfT reset, May 2026)
- Next milestone: First services Old Oak Common to Birmingham Curzon Street between 2036 and 2039was: Euston tunnel drives continue through 2026; first services Old Oak Common–Curzon Street 2036–2039
Source: Department for Transport (GOV.UK) / HS2 Ltd →On the map →