Key milestone for HS2 as half of tunnels completed
HS2, which is at peak construction, supporting more than 31,000 jobs, has now completed excavation of two of its five twin-bore tunnels, with a further two well underway.
HS2, which is at peak construction, supporting more than 31,000 jobs, has now completed excavation of two of its five twin-bore tunnels, with a further two well underway.