M3 junction 9 project- overnight closures including 15 September
Overnight tonight 15 September, 9pm to midnight, the M3 northbound between junction 9 and 8 will be closed to repair damaged safety barrier.
Published: 15 September 2026
Below sets out the planned closures for the works
***Emergency safety closure***
- Overnight tonight, 15 September, 9pm to midnight we are closing the M3 northbound between junction 9 and 8 – Damaged safety barrier repair
- Switch off satnav and follow signed diversion: M3 junction 9 to 8 northbound diversion
- Overnight on Wednesday 16, Thursday 17, Friday 18, and Saturday 19 September (8pm to 6am) we are closing the A34 northbound from junction 9 to Three Maids Hill – Vegetation clearance
-
- Switch off satnav and follow signed diversion: A34 northbound diversion
- Overnight from Monday 28 September until Friday 9 October (8pm to 6am – excluding weekends) we are closing Easton Lane westbound (towards Tesco) – Southwest subway excavation works
- Switch off satnav and follow signed diversion: Easton Lane westbound diversion
- Overnight on Thursday 8 and Friday 9 October (8pm to 6am) we are closing the M3 northbound exit slip road – Southwest subway excavation works
- Switch off satnav and follow signed diversion: M3 northbound exit slip road diversion
***Important Information***
National Highways have planned closures of the M3 between junction 10 and 7 for maintenance and carriageway works, these closures are not associated with the M3 junction 9 improvements project.
If you require any further information about their closures, please contact us via the National Highways Customer Contact Centre. They’re available 24 hours a day by phone: 0300 123 5000 or by email info@nationalhighways.co.uk or visit the National Highways website at www.nationalhighways.co.uk.
Our diversion routes are designed to suit all vehicle types.
We advise you not to use a Satnav when following any of our diversions because there is a risk it could direct you down an unsuitable road or back onto our network when it is closed.
Please remember that closures can change at short notice. You can check the latest information on our daily closures page or find live travel information on our Traffic England. Our travel alerts give details of live incidents on our network.
We also post updates through our south east X and Facebook social media accounts which you can share.
Please note lane closure information is not usually provided on our project website or closure bulletins.
In the event of poor weather conditions or other issues out of our control, planned work may be postponed at short notice.
Thank you
Kind regards
Kathryn Boyce
Customer and Communications Manager
Mobile: 07590 353955
Email: kathryn.boyce@vfbbjv.com
Working in partnership with National Highways
National Highways customer contact centre
0300 123 5000
http://www.nationalhighways.co.uk/
This email is sent on behalf of the Volker Fitzpatrick Balfour Beatty Joint Venture (VFBBJV). The contents of this e-mail (including any attachments) are confidential and may be legally privileged. If you are not the intended recipient of this e-mail, any disclosure, copying, distribution or use of its contents is strictly prohibited, and you should please notify the sender immediately and then delete it (including any attachments) from your system. Please note that the parties compromising the VFBBJV do not accept service by e-mail of court proceedings, other processes or formal notices of any kind without specific prior written agreement.
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