HS2 minister, Huw Merriman, walks on top of the high speed railway’s first and longest viaduct-7

L-R: Alan Over, Director General High Speed Rail Group, DfT; Billy Ahluwalia, Senior Project Manger, HS2; Huw Merriman MP, Minister for Rail; Ludovic Vergne, Align JV; TBC, Align JV