A355 improvement project

To reduce congestion on the A355, we are building a new relief road to the east of Beaconsfield. The road is due to be completed by October 2019.

Keep up to date with the latest changes by subscribing to our bulletin, or view past editions.



Current works

Construction works were completed November 2019.

A355 completed

Due to coronavirus, there has been a delay with plans to remove the topsoil mounds. The work is now underway and should be cleared by the end of August. 

Unfortunately, the new relief road remains unopened until the southern section is completed by local housing developers. This is expected late 2022

See our general arrangement plan.


About the project

The A355 Beaconsfield Eastern Relief Road is one of six major highways projects which Buckinghamshire’s Strategic Economic Plan (SEP) with the purpose to improve the council's strategic transport network.

The new relief road will be built with a new junction at Maxwell Road at the northern end, and connect with the A40 at Pyebush roundabout the southern end. It is to be delivered in two parts:

  • northern section by us from Maxwell road to Minerva Way
  • southern section by Inland Homes from Minerva Way to Pyebush Roundabout

Planning consent for the scheme was granted in September 2017. Main construction works for the A355 Beaconsfield Eastern Relief Road began in August 2018.

The southern section of the relief road will be delivered by Inland Homes as part of their Wilton Park housing development.



In March 2014, we joined up with the Buckinghamshire Thames Valley Local Economic Partnership (BTVLEP) to submit our Strategic Economic Plan (SEP) to the Department for Transport.

The plan outlined many transport and economic development focus areas for Buckinghamshire.

Alongside the BTVLEP, we secured £44 million of funding through the Local Growth Fund (LGF). This is being used for large scale infrastructure schemes and highway improvements.

One of these schemes was the A355 Beaconsfield Eastern Relief Road which was awarded £6.05m in 2016.



The objectives of this project are to:

  • reduce congestion on the A355 and the London End roundabout by 50%
  • improve north south connectivity in the county
  • provide a more suitable route for HS2 construction traffic


Photographs and plans

View our past bulletins for photographs and plans of the new relief road.



If you have any questions, please contact us below. 

Highways Infrastructure Team
Email: hitmailbox@buckscc.gov.uk
Telephone:  01296 382 416


Press releases

Work starts on high priority Beaconsfield relief road
Go-ahead for Beaconsfield Relief Road plans
Multi-million pound road improvements scheme launched
Beaconsfield relief road roundabout begins to take shape
Temporary lights for water main works on A355


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