Construction work has been completed on HS2’s longest tunnel, including extensions designed to prevent sonic booms..
HS2 Finishes Construction On Longest Tunnel
18 July, 2025
14 March, 2025
4 July, 2025
10 November, 2024
23 April, 2024
1 September, 2025
12 August, 2025
20 September, 2025