Find out about the Mannington roundabout project

Mannington roundabout

Latest news and updates

Mannington roundabout is a key intersection in Swindon’s strategic road network, connecting the M4 Junction 16 to the town centre and beyond. Due to the increase in traffic on Swindon’s roads this junction has, over the years, become heavily congested at peak times.

Funding has been secured from the Swindon and Wiltshire Local Enterprise Partnership to develop a scheme aimed at alleviating the congestion and improving conditions for those using the roundabout. This project is part of a package of measures totalling £3.2 million which will deliver a Quality Bus Corridor from Wichelstowe to the town centre, providing more reliable journey times.

Phase 1 - complete

Work on the scheme began in February 2018 with the successful removal of the Wootton Bassett Road bus lane between Mannington Roundabout and the railway bridge. This was done overnight in order to minimise disruption to traffic and the new layout on Wootton Bassett Road is working well. Some vegetation has also been cleared by the Mannington Retail Park which had to be completed before bird nesting season began in March. 

Phase 2 – complete

The work on Tewkesbury Way was completed in July 2018 and involved the removal of the physical traffic island and shortening of the bus lane in order to extend the 3 lane approach Mannington Roundabout, providing more queuing space. 

We have since removed the lane arrow markings approaching the roundabout from Tewkesbury Way following feedback from members of the public. This appears to have addressed concerns making the flow of traffic more efficient.

Phase 3 – on site

This phase seeks to improve the traffic flow from Great Western Way into Wootton Bassett Road (by Fish Brothers). In preparation for this phase, we needed to move some BT, Vodafone and SSE cables out of the way before we make changes to the kerb line. 

The BT cables running along the centre of Wootton Bassett Road were successfully moved in the week of 23 July as planned. The SSE cables, around the corner from Great Western Way to Wootton Bassett Road, were then successfully moved by the end of August and we are now relocating the final set of cables along the same corner. The relocation of these Vodafone cables is expected to be completed by Friday, 14 September, allowing us to start the main construction work on Monday,17 September.

These works will be carried out under off-peak lane closures betwen 9.30am and 3.00pm where possible, to minimise disruption.

We will be using overnight closures towards the end of this stage of work in order to resurface this section of the roundabout. It is expected this will take place in mid to late November. Dates will be confirmed shortly.

Phase 4 – starting January 2019

The final phase of the project will be based at Mannington Retail Park and will begin after the main Christmas period has finished. Construction of a new merging on-slip lane from the retail park onto Great Western Way will reduce the volume of traffic leaving the retail park at Wootton Bassett Road and entering Mannington roundabout. In the retail park itself, Telford Way, which is a public highway, will be widened and new traffic signs will be provided to make the internal flow much simpler and more effective.

Included in this scheme is a total refresh of all the road markings on the roundabout and a reduction of the speed limit both on the approach to Mannington Roundabout from Blagrove roundabout to 50mph, and on the exit from Mannington roundabout past the Retail Park to 40mph. This seeks to reduce the number of road traffic accidents in this area. 

Supporting documents

Information outlining the different phases of the project can be found in the following documents:

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