High Speed 2 Line: Tunnels
(asked on 29th January 2026) - View Source
Question to the Department for Transport:
To ask His Majesty's Government what the names of the six major rail tunnel and road milestones completed ahead of schedule in 2025 are, as cited by Rt Hon Darren Jones MP in their announcement on 27 January of the start of boring work on the tunnels between Old Oak Common and Euston.
The six major rail tunnel and road milestones completed ahead of schedule in 2025 are as follows:
Milestone | Planned Date | Actual Date |
A46 – completion of structure – road re-opened | May-25 | Apr-25 |
Bromford tunnel – tunnel boring machine (TBM) 2 (Elizabeth) breakthrough | Dec-25 | Oct-25 |
Station Road alignment – installation of precast beams on HS2 and National Rail overbridges (Calvert) | Oct-25 | Aug-25 |
Section 5 structure finish for Greatworth Green tunnel | Jul-25 | May-25 |
Euston tunnels downline TBM – assemble / install tail skin and screw conveyor | Apr-25 | Mar-25 |
Northolt tunnels east down line tunnel boring machine extracted at Green Park Way vent shaft | Nov-25 | Aug-25 |