Road Closure: 503720 — Portsmouth

A high-severity road closure is set to disrupt traffic on road 503720, located near Portsmouth, from 21:00 on 04 August 2026 to 05:00 on 05 August 2026. The closure, which is part of National Highways' Strategic Road Network, is being implemented by National Highways, the organisation responsible for maintaining and improving the country's major highways. As a result, drivers are advised to plan their journeys in advance and consider using alternative routes to avoid delays.

The closure is expected to have a significant impact on traffic in the area, particularly during the late evening and early morning hours when traffic is typically heavy. National Highways is urging drivers to check for updates before embarking on their journeys and to consider using alternative modes of transport where possible. Drivers can use traffic apps and websites to plan their routes and get real-time updates on traffic conditions, helping them to avoid congestion and minimize delays.

National Highways is working to minimize the disruption caused by the closure, but drivers are still advised to allow extra time for their journeys and to be patient. The organisation is also reminding drivers to follow any diversion signs or instructions from traffic management teams, who will be on hand to direct traffic and ensure safety. By taking these precautions, drivers can help to reduce the impact of the closure and ensure a safe and smooth journey.

The road closure is part of National Highways' ongoing efforts to maintain and improve the country's road network, and the organisation is working to complete the work as quickly as possible. In the meantime, drivers are advised to stay informed and plan ahead to avoid delays. By using alternative routes, checking traffic apps, and following diversion signs, drivers can help to minimize the disruption caused by the closure and ensure a safe and smooth journey.

For the latest information on the road closure, including up-to-date traffic conditions and diversion routes, drivers can visit Road Closures UK. The website provides real-time updates on road closures and traffic conditions across the UK, helping drivers to plan their journeys and avoid delays. By staying informed and planning ahead, drivers can help to reduce the impact of the closure and ensure a safe and smooth journey. With the latest information and updates at their fingertips, drivers can navigate the roads with confidence and minimize the disruption caused by the closure.