HS2 anti-subsidence fiber optic technique trial. source: HS2 Media.

HS2 First segment contract awarded - HS2 Media

HS2 Chiltern Chalfont St Peter shafts source: HS2 Media

First High Speed 2 (HS2) Herrenknecht Tunnel Boring Machine launched - source: HS2 Ltd media.

HS2 Chilterns Tunnel Southern Entrance     HS2 Media release

HS2 Augmented Reality Implementation. (photo HS2 Media)

Keller image.

HS2 Euston cevern From HS2 Media

HS2 Phase 2 Key Facts HS2 Media

Axonometric image showing Chalfont St Giles headhouse and vent shaft