Geopolymer stabilisation future-proofs south east London’s Blackheath Tunnel Finland-based private company Geobear has revealed that it has completed major stabilisation and water-sealing works on Blackheath Tunnel in south east London.

Geopolymer stabilisation future-proofs south east London’s Blackheath Tunnel www.railadvent.co.uk/2025/12/geopolymer-stabi... #bexleyheath #blackheath #charlton #london #NetworkRail #southeastern #VolkerFitzpatrick

HS2’s Colne Valley Viaduct is now officially Britain’s longest rail bridge HS2’s Colne Valley viaduct is now officially the UK’s longest railway bridge after the completion of civil engineering works.

HS2’s Colne Valley Viaduct is now officially Britain’s longest rail bridge www.railadvent.co.uk/2025/09/hs2s-colne-valle... #buckinghamshire #ColneValley #denham #hs2 #SirRobertMcAlpine #VolkerFitzpatrick