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PRIVACY
Economic Development

Work starts on £135m improvement to South West's A303 bottleneck

Construction begins on three-mile stretch of dual carriageway from Sparkford to Ilchester

An artist's impression of A303 Sparkford to Ilchester dual carriageway scheme

Work has begun on a £135m road scheme designed to ease congestion, boost access to and from the South West and provide an economic boost for the region.

The upgrade of the A303 between Sparkford and Ilchester, will tackle a long-standing bottleneck, improving local journeys and making roads safer.

The project - managed by National Highways and funded entirely by the Department for Transport as part of the Road Investment Strategy - will create a high quality, dual carriageway on the congested stretch of the A303 and is set to open to the public by Spring 2024

On an average day, the A303 between Sparkford and Ilchester carries 23,500 vehicles, but numbers increase significantly in the summer, particularly at weekends, making journeys unreliable and unpredictable.

The upgrade aims to:

  • improve the capacity of the road to reduce delays and queues that occur during peak hours and at key times of the year, particularly. the height of summer

  • support economic growth, facilitating growth in jobs and housing by providing a free-flowing and reliable connection between the South East and the South West

  • make the road safer, by providing additional capacity and reducing driver stress, making routes safer for pedestrians, cyclists, and horse riders

  • protect the environment and look for opportunities to improve it, minimising any unnecessary impact of the scheme on the surrounding natural and historic environment and landscape

  • work with communities to reduce the impact of the road and look for ways to improve peoples’ quality of life

  • make journey times more reliable and resilient; by providing more capacity it will become easier to manage traffic when incidents occur.

Current work is all about preparing the ground for construction, with traffic management not planned until early 2022 and minimal disruption to 2021 holiday traffic, especially around Christmas.

Main construction work will get under way in 2022, with closures kept to a minimum throughout the scheme. A text alert system will be launched next year.

Further along the A303/A358 corridor, a consultation will be launched on the A358 on October 12, with National Highways welcoming views on new designs.