News & Features

M3 junction 9 improvements project Road Closure Update

Posted in News on Friday, April 10th, 2026

If you’re planning to travel over the next few weeks, it’s worth being aware of some upcoming overnight road closures that could affect your journey. We wanted to share the details so you’re not caught off guard and can plan ahead a bit more easily. 

The first change is happening overnight on Friday 10 April, when the A272 southbound and the M3 southbound exit slip road will be closed between 8pm and 6am. This is to allow for a traffic management switch. If you’re travelling at that time, it’s best to ignore your satnav and follow the clearly signed diversion routes instead, as they’ve been set up specifically for this closure. M3 southbound exit slip and A272 southbound

Looking ahead, there will be more regular overnight closures from Monday 13 April through to Friday 8 May. During this period (with a break over 23–25 April and most weekends), the A272 will be closed in both directions between 8pm and 6am. These works are for resurfacing and building the gyratory island. Again, signed diversions will be in place, and following those rather than your satnav is strongly recommended. A272 Spitfire Link closure northbound and southbound

There are also a few additional one-off closures to keep in mind. On the night of Saturday 18 April, parts of the A34 at Three Maids Hill and the A33 at the Cart and Horse junction will be closed southbound for surfacing works. Then from Thursday 23 April through to Sunday 26 April, the eastern side of the gyratory and the A272 northbound will be shut overnight for further construction work. A34/A33 southbound diversions
Gyratory and A272 northbound diversions
 
In early May, there’s a significant closure to note: from Tuesday 5 May to Sunday 10 May, the M3 will be closed in both directions between junctions 8 and 9 overnight (8pm to 6am). This is for new bridge works and vegetation removal, and as with the other closures, diversion routes will be clearly signed and suitable for all vehicle types. M3 junction 9 to 8 northbound and southbound diversion

Finally, it’s always a good idea to check for updates before you travel. Roadworks and closures can change at short notice, so keeping an eye on the latest travel information can save you time and hassle. https://nationalhighways.co.uk/travel-updates/road-closure-report/
Hopefully this helps you stay one step ahead and avoid any unnecessary delays. 
 

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