UK Road Closed: National Highways Closure 516503

Motorists warned of overnight disruption as National Highways prepares to close a key route in the London area. The specific road to be affected is currently unknown, however, the location is National Highways Closure — 516503, roughly equidistant between the M25 and the M1. The highway authority has announced that the closure will take place from 22:00 on 07 August 2026, with traffic expected to resume by 04:30 on 08 August 2026.

The closure is part of National Highways' ongoing Strategic Road Network improvement works. The exact reason behind this specific closure has not been disclosed by the highway authority, but it is understood to be a necessary step in maintaining the country's vital transportation infrastructure.

Residents and drivers in the surrounding area are advised to expect significant disruption during the closure, with traffic expected to be severely impacted. Motorists are urged to plan their journeys in advance, using alternative routes to avoid the affected area. Checking traffic apps and services such as Waze, Google Maps, or the National Highways website is highly recommended to stay up-to-date with the latest traffic information.

Those who rely on the affected route for their daily commute or other regular journeys would be wise to explore alternative modes of transportation or plan their schedules well in advance of the closure. Additionally, drivers may want to consider adjusting their travel times to avoid peak hours, when traffic congestion is likely to be at its worst.

While the exact road name has not been released, drivers can use the official National Highways website or the 516503 National Highways Closure code to find more information about the closure and plan their journeys accordingly. Those who rely on traffic information for their daily lives may also want to bookmark the National Highways website for easy access to the latest traffic updates.

It is worth noting that this is part of a larger effort to improve the nation's transportation network, and the disruption will be temporary. Motorists are advised to be patient, plan ahead, and use the available resources to stay informed about the situation. Road Closures UK will continue to provide updates on the situation as more information becomes available.

For more information on this and other road closures, please visit Road Closures UK for the latest updates and travel advice.