UK Road Closed: National Highways

A 40-hour high-severity closure has been announced affecting motorists travelling on an unidentified road in the vicinity of London, scheduled to commence on 10 August 2026 at 21:00 and concluding on 11 August 2026 at 04:30. The highway authority governing this area is National Highways, which operates the National Highways Strategic Road Network.

Motorists planning to travel through the affected area are advised to exercise caution and plan their journeys in advance, as the high-severity closure is expected to cause significant disruption. The closure is located near the National Highways Closure — 478575, and it is recommended that drivers use alternative routes to avoid the affected area. Furthermore, it is advisable to check traffic apps and websites for the latest updates on traffic conditions before embarking on their journey.

National Highways, the promoting organisation behind the National Highways Strategic Road Network, has announced the high-severity closure to ensure the safety of motorists and to facilitate essential maintenance work on the road. The exact road name has not been disclosed, but it is understood that the work is critical to maintaining the overall integrity of the network.

As a result of the high-severity closure, drivers can expect significant delays and congestion in the surrounding area, and it is essential that they plan their journeys accordingly. Motorists should check traffic apps and websites for the latest updates on traffic conditions before setting off, and consider using alternative routes to avoid the affected area. Additionally, drivers are advised to leave plenty of time to reach their destination and to be patient when navigating through the affected area.

National Highways is working closely with local authorities to ensure that motorists are kept informed about the latest traffic conditions and to provide assistance to those affected by the high-severity closure. The promoting organisation is committed to maintaining the safety and efficiency of the National Highways Strategic Road Network and is working tirelessly to minimise the impact of the closure on motorists.

For the latest information on this high-severity closure and other traffic updates, please visit Road Closures UK or check the National Highways website for the most up-to-date information.