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Written Question
High Speed 2 Railway Line: Colne Valley
Tuesday 9th February 2021

Asked by: Lord Rotherwick (Conservative - Excepted Hereditary)

Question to the Department for Transport:

To ask Her Majesty's Government whether they plan to publish the risk assessment evaluating the impact of the HS2 Colne Valley viaduct, and in particular, its proximity to the main runway at Denham Aerodrome; and if not, why not.

Answered by Baroness Vere of Norbiton - Parliamentary Secretary (HM Treasury)

An aeronautical study is currently being drafted by HS2 Ltd’s specialist aeronautical advisors, following consultation with Denham Aerodrome. The company does not publish risk assessments on its website, but once finalised, it will be shared with Denham Aerodrome and can be made available upon request.