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Situated in Southern England, the A3 is a major road that connects London with Portsmouth on the south coast.
It is a key route through Surrey and Hampshire, serving busy areas such as Kingston upon Thames, Guildford, Hindhead, Petersfield and Waterlooville.
The A3 is an important road for commuters, long-distance travellers and commercial traffic.
Due to its high usage, planned roadworks and maintenance can cause delays. So it is important to stay aware of the latest planned works, as this can help to minimise potential disruption to your journey.
A3 Road Closures Over The Next 7 Days
To help you find the latest planned roadworks and road closures on the A3, we regularly update this page.
These works are typically scheduled to avoid peak hours and reduce disruption.
However, they can still impact travel, especially on popular commuter routes.
| Road number | Direction | Location | Scheduled start date | Scheduled end date | Closure details, including diversions |
|---|
This data was provided by National Highways and was updated on this page at 06:00 today.
Travel Tips for the A3
There are a few quick and simple tips which can help to ensure that your journey on the A3 is as painless as possible. These include:
- Check both planned and live updates. Apps like Google Maps and Waze offer real-time information.
- Plan around common closure times. Many road closures take place overnight. Often between 21:00 and 06:00. In a bid to minimise travel disruption.
- Allow extra time around busy junctions. Areas near Guildford, the Hindhead Tunnel and the approach to Portsmouth can become very congested during peak periods.
- Stick to official diversion routes. These are designed for all vehicle types and help avoid unsuitable narrow roads.
- Be cautious through works zones. Lower speed limits, lane closures and narrow lanes may be in place for safety reasons.