A43 Abthorpe roundabout improvementRecently updated

Widening the A43 Abthorpe roundabout.

Region:  East Midlands
Start date:  January 2016
Cost:  £7 million
Status:  CURRENT
Type:  Improvement Scheme
End date:  April 2017
We completed our preparation works in July 2016. There were lots of important services around the junction that had to be moved before we could begin:
  • Western Power - electricity cables
  • BT - fibre optic cables
  • Severn Trent - water mains
  • National Grid Gas – gas mains
  • T mobile - mobile phone masts
These works took place during the day under lane closures. We began our main construction work as planned on 1 August 2016. We have appointed BAM Nuttall Ltd as our contractor for this work so you will see their vehicles and staff out on the site.

What next?

We will continue with the main construction work. We are keeping disturbance for residents to a minimum by working overnight from 8am until 8pm. To reduce the impact of our works we have kept all lanes open on the A43 but narrowed them to allow room for the road works. On Brackley Road and Abthorpe Road only one lane will be open overnight while we are working. We will need to put in place some overnight closures later in the scheme to resurface the carriageway. We will advise you in good time before these happen.


Preparatory worksJan 2016
Main construction starts1 August 2016
Scheme completeApril 2017

Why we need this scheme

Once the A43/A5 Towcester roundabout is completed there will be an increase in traffic from the southbound to the Abthorpe roundabout. This will lead to queuing and congestion. We also recognise the increase in general traffic levels from local housing/business growth. These works will also help open up opportunities for local development.

The scheme in detail

We will widen the A43 Abthorpe roundabout. This will allow us to create a larger roundabout controlled by traffic signals. It will include 3 through lanes on both A43(T) approaches, an additional lane on the northern circulatory and a substantially longer 3rd lane on Brackley Road. We also propose a separate 4th lane on the northbound A43(T) for road users turning right. This means that during busy periods, traffic going in this direction can be safely queued on the roundabout without blocking through traffic.

Proposed layout

This 3D model picture shows how the junction will look once the work is completed.


This scheme will:
  • reduce congestion and improve journey times
  • improve safety
  • allow local development and growth to take place
In order to begin main construction works we had to carry out some major vegetation clearance around the vicinity of the A43/Brackley Road/Abthorpe Road junction. We don’t like to remove trees and vegetation but this work was necessary to allow us to widen the carriageway and install measures to reduce noise. We plan to plant additional trees in areas as part of the final works phase. These will take time to mature. We carried out this work in February/March 2016. This was so we could avoid potential harm to nesting birds. We take our environmental responsibilities very seriously and do we all we can to protect animals and wildlife. The clearance works were short term. We had to put in place some limited off peak lane closures so that our workers were safe while they worked. We didn't carry out any of this work at night to minimise disturbance to those living in close proximity to the junction.

Project media files and documents

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Project timeline

Planned roadworks

Roadworks and Events for England

The latest incident information for England's motorway and trunk routes provided by Highways England

Location : The A5 southbound between the A43 and the junction with the A508 . Reason : Roadworks. Status : Currently Active. Period : from 21:19 on 24 August 2017 to 16:00 on 28 February 2018.
Posted: September 22, 2017, 11:44 pm
Location : The A5 northbound between the A508 and the junction with the A43 . Reason : Roadworks. Status : Currently Active. Period : from 21:23 on 24 August 2017 to 16:00 on 28 February 2018.
Posted: September 22, 2017, 11:44 pm


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