Special design avoids ‘sonic boom’ at HS2 tunnel

An innovative design will eliminate the possibility of a sonic boom when HS2 high-speed trains enter the Chiltern Tunnel’s southern portal.

Has HS2 delivered for rail freight?

It promised 15,000 freight train movements in the construction phase. It was going to free up the network for more services – including freight. It…

The deck of HS2’s Colne Valley Viaduct in Buckinghamshire has been completed to break a 137-year old record as Britain’s longest railway viaduct.

Civil engineering construction work on the Chiltern tunnel, the longest tunnel on HS2, has been completed.