UK Road Closed: National Highways

A section of a major road in Hampshire will be closed overnight due to planned maintenance, disrupting traffic in the Portsmouth area. The unknown road, located near the National Highways Closure — 458474, will be shut from 8pm on 10 August 2026 to 4am on 11 August 2026. National Highways, the governing body overseeing the Strategic Road Network, has confirmed the temporary closure.

The enforced closure will likely cause significant delays for drivers and commuters, as well as local residents. Motorists are being advised to seek alternative routes, such as taking the A3 or A27, to avoid the affected area. Checking traffic apps and websites, like Waze or Google Maps, for the most up-to-date information on traffic conditions is also highly recommended. This will help minimise travel time and reduce stress for those affected by the roadworks.

The planned maintenance is part of National Highways' ongoing efforts to maintain and improve the UK's Strategic Road Network. The work is intended to ensure the road remains safe and efficient for the millions of drivers who use it each year. However, the temporary closure will undoubtedly cause frustration for those who rely on the road for their daily commute or for transporting goods.

Motorists are urged to plan their journeys in advance, allowing plenty of time to reach their destinations. Leaving earlier than usual or considering alternative modes of transport, such as public transport or cycling, may also be helpful in avoiding the worst of the disruption. It's essential to stay alert and aware of changing traffic conditions, as well as following the guidance of traffic management staff on site.

While the closure is expected to have a significant impact on local traffic, National Highways has implemented measures to mitigate the effects of the disruption. These include working closely with local authorities and emergency services to ensure a smooth and safe flow of traffic during the roadworks.

If you're planning to travel in the affected area, it's crucial to check for the latest updates before embarking on your journey. Road Closures UK provides comprehensive information on road closures and traffic updates across the UK. For the most up-to-date information on this and other road closures, please visit their website or mobile app.