The half-kilometre long Edgcote viaduct will carry the new railway south of Chipping Warden in West Northamptonshire.

Set low into the landscape, the 515m-long viaduct was redesigned last year, copying the approach used at HS2’s Thame Valley, near Aylesbury.

Instead of five beams per span with concrete poured on site, the viaducts use just two larger ‘u’ shaped beams per span.



This innovation - inspired by viaducts on the Spanish high speed rail network - will reduce the number of lorry movements and speed up construction by removing the in-situ concrete work.

At between six and eight metres high, the viaduct will be supported by 20 pairs of concrete piers and from a distance, will be largely hidden by current hedgerows and woodland.






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