Written Question·Department for Transport·UIN 120916
Tunnels: Construction
Tabled: 16 March 2026
Answered: 24 March 2026
Question
Mr Richard Holden
Conservative — Basildon and Billericay
To ask the Secretary of State for Transport, what assessment her Department has made of the potential merits of the use of Norwegian-style drill-and-blast tunnelling methods in the construction of UK transport tunnels; and whether she has considered the u
Answer
Simon LightwoodNorwegian style drill and blast tunnelling is generally suited to continuous hardrock geology that is not characteristic of most interurban routes in the UK. Instead, the latter frequently involves tunnelling through highly variable ground conditions incl...
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