A358 Taunton to SouthfieldsRecently updated

A dual carriageway link between the M5 at Taunton and the A303, part of a programme of improvements to the A303/A30/A358.

Region:  South West
Start date:  TBC
Cost:  £250 to £500 million
Status:  PLANNED
Type:  Major Scheme
End date:  TBC
Programme:  A303 / A358 Corridor improvements

Progress report

The consultation on the options for the A358 improvement has now closed. Over 1,700 people attended the events held during the 6-week consultation period, using the opportunity to share their feedback about the 3 proposed options, and talk to the project team about them. We’d like to thank everyone for their input to date; we will now consider all the responses very carefully before moving onto the next stage of the scheme development.

What's next?

We will spend the next few months analysing the responses from the public consultation, and combining this information with the results of ongoing surveys.

A consultation report will be prepared, and this will be published when we make our preferred route announcement (expected in late 2018).

After the preferred route announcement there will be a further round of public consultation looking at the more detailed design for the route that has been chosen. The outcome of that will inform the application we make for a Development Consent Order (DCO). A DCO is a special type of planning application, which is needed for a Nationally Significant Infrastructure Project (NSIP). Following the submission of the DCO application, the Planning Inspectorate will hold a public examination before making a recommendation to the Secretary of State for Transport who will decide whether or not the project should go ahead.

Timeline

Date Event
December 2014 Scheme announced
February 2016 Public information events
March to July 2017 Initial consultation on proposed improvement option
16 January - 27 February 2018 Full route options consultation
Autumn 2018 Preferred Route Announcement

Why we need this scheme

The A303/A358 corridor is a vital connection between the south west, London and the south east. While much of the route is a dual carriageway, there are still over 35 miles of single carriageway. These sections act as congestion bottlenecks, particularly in the summer months and at weekends, causing delays to road users travelling between the M3 motorway and the south west and an increased risk of accidents.

The A358 itself comprises a mix of dual and single lane carriageway, This section also has poor junction alignment and visibility and changes in road type when compared against a high quality dual carriageway and expected of a key strategic route.

Ensuring that improvements are made to the A358 between Taunton and Southfields, to help traffic to flow more freely to and from the South West, is a priority. Without improvements that reduce congestion and journey times it will be difficult for the south west’s regional economy to expand and its communities to prosper.

Aims

The aims of the scheme include the following:

  • capacity – reduce delays and queues that occur during peak hours and at seasonal times of the year
  • safety – improve safety along the route corridor and along the A358 Taunton to Southfields route for pedestrians, cyclists and other non-motorised users
  • environment – avoid unacceptable impacts on the surrounding natural and historic environment and landscape and explore opportunities for enhancement
  • local communities – reduce community severance and promote opportunities for improving their quality of life
  • connectivity – improve the connectivity of the south west to the rest of the UK and improve business and growth prospects
  • resilience – improve journey time reliability and resilience, and provide extra capacity to make it easier to manage traffic when incidents occur
  • supporting economic growth – facilitate growth in jobs and housing by providing a free-flowing and reliable connection between the south east and the south west

The scheme in detail

The scheme involves the section of the A358 from the M5 at Taunton to the A303 at Southfields Roundabout, a distance of 9 miles (14 kilometres).

To help process the feedback generated by the consultations, the scheme has been divided into 2 sections:

  • Section 1 – a new motorway junction with the M5 and new dual carriageway link from the M5 to the existing A358, bypassing Henlade
  • Section 2 – upgrading the A358 from single carriageway to dual carriageway standard along the line of the existing A358 from south east of Henlade to Southfields Roundabout

Details of the options we consulted on during the consultation can be found on our consultation page.

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 M5 northbound between junctions J26 and J22 . Lane Closures : Lane one will be closed. Reason : Emergency roadworks are planned. Status : Pending. Schedule : From 20:01 on 17 August 2018 to 06:00 on 18 August 2018. Schedule : Expect disruption everyday between 20:00 and 06:00 from 20 August 2018 to 24 August 2018. Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 August 2018 to 1 September 2018. Schedule : Expect disruption everyday between 20:00 and 06:00 from 3 September 2018 to 8 September 2018. Lanes Closed : There will be one of three lanes closed.
Posted: August 17, 2018, 7:01 am
Location : The M5 southbound between junctions J23 and J24 . Lane Closures : Lanes 2 and 3 will be closed. Reason : Roadworks are planned. Status : Pending. Schedule : Expect disruption everyday between 20:00 and 06:00 from 20 August 2018 to 24 August 2018. Lanes Closed : There will be two of four lanes closed.
Posted: August 15, 2018, 9:20 am
Location : The M5 northbound between junctions J27 and J26 . Lane Closures : Lane three will be closed. Reason : Barrier repairs are planned. Status : Pending. Schedule : From 20:01 on 19 August 2018 to 06:00 on 20 August 2018. Lanes Closed : There will be one of three lanes closed.
Posted: August 15, 2018, 7:20 am
Location : The M5 southbound between junctions J26 and J27 . Lane Closures : Lane three will be closed. Reason : Barrier repairs are planned. Status : Pending. Schedule : From 20:01 on 19 August 2018 to 06:00 on 20 August 2018. Lanes Closed : There will be one of three lanes closed.
Posted: August 15, 2018, 7:20 am

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