M3 Traffic News & Information
Live M3 Traffic News, Roadworks & Delays
Welcome to M3 Traffic, your dedicated source for live traffic updates on the M3 motorway. We bring you the latest roadworks, accidents, incidents and delays as they happen, updated automatically from National Highways, so you can plan your journey between London and the south coast with confidence.
Whether you're commuting, heading to Southampton or the Isle of Wight ferries, or travelling anywhere along the route from Junction 1 at Sunbury-on-Thames to Junction 14 near Southampton, you'll find current information on what's affecting the M3 right now.
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Conditions can change, and not every hold-up is reported instantly, so do check back before you travel. Our traffic news updates automatically, 24 hours a day, every few minutes.
What you'll find on M3 Traffic
The latest reports are shown below, with the newest first. For more detail, head to one of our dedicated pages:
Search Latest M3 Traffic News — our central hub, where you can filter live updates by junction, status and delays, including searching a specific stretch of your route.
Roadworks — all current and planned roadworks on the M3, including lane closures and overnight works.
Accidents and Incidents — live accidents, breakdowns and incidents affecting the motorway.
M3 Services — where to stop, fuel and take a break along the M3.
About the M3 Motorway — facts, history and key information about the M3.
Why check M3 Traffic before you travel?
The M3 is one of southern England's busiest motorways, linking the M25 at Junction 2 with the M27 at Junction 14 and serving major towns including Camberley, Farnborough, Fleet, Basingstoke, Winchester and Eastleigh.
Roadworks, lane closures and incidents can cause significant delays, so a quick check before you set off can save you time and help you find an alternative route if needed.
Our updates refresh automatically throughout the day, 24 hours a day, so the information is always current.