South East Aylesbury Link Road (SEALR)


Scheme overview


South East Aylesbury – Stoke Mandeville


Due for completion by the end of 2021.


This project will create a link road between the A413 Wendover Road and the B4443 Lower Road.


Refinements to the scheme following the public consultation have been completed. The planning application is close to submission. Detailed design and Early Contractor Involvement work have begun.

Next Steps:

Completion & submission of the full business case and planning application.

Contact: | 01296 395 000

About the project

The South East Aylesbury Link Road will connect the B4443 Lower Road with the A413 Wendover Road. It is required to ease congestion after HS2 Ltd. realigns the A4010 through the construction of the Stoke Mandeville Relief Road.

The road will link with the realigned A4010 ‘Stoke Mandeville Relief Road’. This is being delivered as part of the HS2 project. This forms part of the Aylesbury Transport Strategy.


Aims and benefits

We will relieve congestion and improve connectivity by building:

  • a new roundabout to access the SEALR at the junction of the B4443 and the A4010 realignment to the south
  • a new roundabout on the A413 Wendover Road
  • an overbridge crossing the Aylesbury to Marylebone line (funded by HS2)

The Aylesbury Link Roads proposal has been a long held ambition for Buckinghamshire County Council. The growth and development of Aylesbury has made these proposals a necessity.

View the overall Transport Plan for Aylesbury


What's happened so far?

The following items have already been completed in the project:

  • consultants have been appointed to take forward the planning application and the business case
  • funding has been confirmed through HS2 Ltd. and the Local Growth Fund (via the Buckinghamshire Thames Valley Local Economic Partnership)
  • the first consultation took place on the 1st November 2017
  • refinements to the project following the consultation have been completed
  • the updated project designs were presented on the 17th July 2018
  • surveying of land to inform design has begun and is underway
  • transport modelling to further inform design has begun and is underway
  • detailed design on the project has begun
  • contractors have been appointed for Early Contractor Involvement


What's next?

The project will now see:

  • the Environmental Impact Assessment completed
  • the full planning application and business case completed with intention to submit in early 2020
  • discussions with landowners continue


Plans of the scheme

The proposed layout of the South East Aylesbury Link Road is shown in our updated preliminary designs.

View the exhibition board plans from the public event on the 17th July 2018.

Below is a video simulation of how the South East Aylesbury Link Road may look.



The first public consultation on the SEALR took place from the 1st November to the 8th December 2017. View the consultation summary document for an overview of the responses received.

Changes have been made to the scheme in order to address some of the comments raised during the first consultation period. The new updated scheme was presented at an exhibition event on the 17th July 2018.

This design will be taken forward to a full planning application, due to be submitted in early 2020.



View our previous bulletins for the South East Aylesbury Link Road


Print entire guide

Last updated: 2 January 2020

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