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Itchen Valley Parish Council
Transport

M3 Overnight Closures 5 to 10 May

Closed both northbound and southbound overnight (8pm to 6am) between Junction 8 (exit for A303 & Popham) and Junction 9 (Winnall).

Published: 27 April 2026

white and black no smoking sign

On Tuesday 5, Wednesday 6, Thursday 7, Friday 8, Saturday 9, and Sunday 10 May the M3 will be closed both northbound and southbound overnight (8pm to 6am) between junctions 8 (exit for A303 & Popham)  and 9 (Winnall) for new bridge works and vegetation removal.

Switch off satnav and follow signed diversion:

M3 junction 9 to 8 northbound and southbound diversion

The diversion routes are designed to suit all vehicle types.
You are advised NOT to use a Satnav when following any of the 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 the daily closures page or find live travel information on our Traffic England. The travel alerts give details of live incidents on the network.
Updates are also posted on the Highways south east X and Facebook social media accounts which you can share.

Please note lane closure information is not usually provided on the project website or closure bulletins.
 
In the event of poor weather conditions or other issues out of the contractors’ control, planned work may be postponed at short notice.

National Highways customer contact centre
0300 123 5000

http://www.nationalhighways.co.uk/

 

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