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Itchen Valley Parish Council
Transport

M3 overnight closures June 2026

11 & 12 June M3 southbound. 13, 14, 15, & 16 June M3 northbound. 29 & 30 June M3 northbound.

Published: 3 June 2026

Overnight on Thursday 11 and Friday 12 June M3 southbound closed between junctions 8 and 9 (8pm to 6am) – M3 main line traffic management switch works

Switch off satnav and follow signed diversion: M3 junction 8 to 9 southbound diversion

 

Overnight on Saturday 13 and Sunday 14 June M3 northbound closed between junctions 9 and 8 (8pm to 6am) – M3 main line traffic management switch work

Switch off satnav and follow signed diversion: M3 junction 9 to 8 northbound diversion

 

Overnight on Monday 15 and Tuesday 16 June M3 northbound closed between junctions 10 and 9 (8pm to 6am) – Carriageway management

Diversion: M3 junction 10 to 9 northbound diversion

 

Overnight on Saturday 13 and Sunday 14 June M3 northbound closed between junctions 9 and 8 (8pm to 6am) – M3 main line traffic management switch works

Switch off satnav and follow signed diversion: M3 junction 9 to 8 northbound diversion

 

Overnight on Monday 29, Tuesday 30 June and Wednesday 1 July M3 northbound closed between junctions 9 and 8 (8pm to 6am) – M3 underpass works

Switch off satnav and follow signed diversion: M3 junction 9 to 8 northbound 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 the 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 the 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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