A303 road closure near Southampton — Road Closure: A303 — Southampton
A303SouthamptonPublished 27 July 2026Road Closures UK

Road Closure: A303 — Southampton

A major disruption is expected to affect motorists using the A303, with a planned closure scheduled to take place between July 24, 2027, at 20:00 and July 25, 2027, at 04:30.

A major disruption is expected to affect motorists using the A303, with a planned closure scheduled to take place between July 24, 2027, at 20:00 and July 25, 2027, at 04:30. The closure will be in place at the A303 J A3093 JOIN W, TEST VALLEY, located near Southampton, and is being implemented by National Highways due to major planned works. The severity of the disruption is classified as medium, and drivers are advised to plan their journeys accordingly to avoid delays.

National Highways has announced that the closure is necessary to carry out essential maintenance and improvements to the road network. The highway authority is responsible for maintaining and improving the strategic road network in England, and this closure is part of their ongoing efforts to ensure the safety and efficiency of the roads. While the closure may cause some inconvenience to drivers, it is essential to allow the necessary works to be completed.

Drivers who normally use the A303 during this time are advised to seek alternative routes to avoid the closure. By checking traffic apps and planning their journeys in advance, motorists can minimize the impact of the disruption and reduce the risk of delays. It is also a good idea to allow extra time for journeys, as traffic may be heavier than usual on surrounding roads. National Highways is working to minimize the disruption and ensure that the closure is completed as quickly as possible.

The A303 is a major route that connects London to the South West, and the closure may affect a significant number of drivers. However, by being aware of the closure and planning ahead, motorists can reduce the impact of the disruption and ensure that their journeys are completed safely and efficiently. National Highways is committed to keeping drivers informed about roadworks and closures, and provides regular updates on their website and social media channels.

For the latest information on roadworks and closures, including the A303 closure near Southampton, drivers can visit Road Closures UK. This website provides up-to-date information on planned and unplanned roadworks, as well as real-time traffic updates and travel advice. By staying informed and planning ahead, drivers can minimize the impact of roadworks and closures and ensure that their journeys are completed safely and efficiently. With the A303 closure scheduled to take place on July 24-25, 2027, drivers are advised to check for updates before setting out on their journeys.

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Published by Road Closures UK. Contains public sector information licensed under the Open Government Licence v3.0.

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