Special design avoids ‘sonic boom’ at HS2 tunnel Posted on April 12, 2025 by Guest authors An innovative design will eliminate the possibility of a sonic boom when HS2 high-speed trains enter the Chiltern Tunnel’s southern portal.
Buckinghamshire Great Missenden Hertfordshire HS2 Infrastructure Network Rail News Excavation of HS2’s longest tunnel completed Guest authors January 21, 2026 0 Civil engineering construction work on the Chiltern tunnel, the longest tunnel on HS2, has been completed.
Bletchley Buckinghamshire Denbigh Hall South Junction Derailment Infrastructure London Northwestern Railway Network Rail News Signalling West Coast Main Line Investigation opened into derailment in Buckinghamshire Guest authors July 11, 2025 0 The Rail Accident Investigation Branch has started an investigation into a derailment near Bletchley in Buckinghamshire in June 2025.
Birmingham Buckinghamshire HS2 Infrastructure London Midlands Sir Robert McAlpine video VolkerFitzpatrick Wendover West Midlands There’s Light at the Northern end of HS2’s longest tunnel Guest authors March 23, 2024 0 Tunnel Boring Machine ‘Cecilia’ brakes-through at the northern end of the Chiltern tunnel, marking the end of tunnelling.
An innovative design will eliminate the possibility of a sonic boom when HS2 high-speed trains enter the Chiltern Tunnel’s southern portal.