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High Speed 2 Railway Line: Wendover

Question for Department for Transport

UIN HL6279, tabled on 30 June 2020

To ask Her Majesty's Government what assessment they have made of the impact of the proposed HS2 Phase One viaducts at Wendover on (1) traffic flow, and (2) the future development of the A413.

Answered on

14 July 2020

HS2 Ltd have been in consultation with the local authority Buckinghamshire Council about the impact of the Small Dean Viaduct at Wendover on A413 traffic flow. Agreed arrangements have been made so that the flow of the traffic underneath the viaduct will not be adversely affected. This has also been satisfied by road safety regulations.

In 2019 HS2 Ltd undertook a review of the design of the Small Dean Viaduct spanning the A413 south of Wendover with consideration for futureproofing the A413 for future growth. Currently the A413 is single carriageway. Public feedback has been taken through engagement events. In response to the study HS2 Ltd have confirmed that the building of the viaduct will not inhibit any future road widening of the A413. The outcome from this design review has shown that the dualling of the A413 can still be carried out with the viaduct in place, outside the remit of the HS2 programme. Moreover, the building of the viaduct will not inhibit future local authority development plans.

The outcome of this study has been reviewed by the local planning and highway authorities who are satisfied with this review and have no objection to the planned design of the proposed highway and viaduct design.