fromianVisits2 hours agoUK newsHS2 completes construction of its longest tunnels beneath the ChilternsStructural construction of HS2's 10-mile twin-bore Chiltern tunnel is complete, with fit-out and railway installation still required before operation.
fromwww.bbc.com3 hours agoUK politicsConstruction completed on longest HS2 tunnelHS2 completed the 10-mile Chiltern tunnel with perforated 220m extensions to prevent tunnel sonic booms; boring finished in early 2024 and further work remains.
fromianVisits2 hours agoUK newsHS2 completes construction of its longest tunnels beneath the Chilterns
