INFRASTRUCTURE

HS2 reveals final design for last of seven key Chiltern Tunnel structures

Final part of key design elements for HS2 Chiltern tunnels revealed

 HS2 Chilterns tunnel north portal view looking south

HS2 Chilterns tunnel north portal view looking south

Once construction is complete, the seven key design elements will be the only parts of the tunnel visible to the local community. Alongside the North Portal, which will be near South Heath in Buckinghamshire,...

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