M3 and M27 road closures in Hampshire
The M3 is trending due to the demolition of old bridges at Junction 9 near Winchester as part of a £290m upgrade project [1]. Additionally, further closures are planned for the M3 and M27 throughout November and December for drainage and technology work [2].
What happened
- Earlier
The northbound entry slip road at M3 junction 9 closed in July [1]
- 21 Oct, 21:00 BST
The M3 closed between junctions 8 and 9 for the first bridge demolition [1]
- 10 Nov, 21:00
The M27 eastbound will close between junctions 4 and 7 [2]
- 6 Nov
A second M3 closure occurs for the southern bridge demolition [1]
- 23 Nov, 21:00
M3 southbound closures begin between junction 13 and the M27 [2]
What you need to know
The M3 junction 9 project aims to make peak travel nearly 30% faster [1].
The upgrade will widen the M3 to four lanes in each direction [1].
New underpasses will allow drivers to move between the A34 and M3 without using a roundabout [1].
The full junction 9 project is expected to finish in summer 2028 [1]
It is not specified which exact 'technology work' is causing the M27 closure on November 10 [2].
Background
The Junction 9 project is a multi-million-pound effort to fix a major bottleneck in Hampshire [2]. It involves replacing old gyratory bridges with wider structures to improve safety and air quality [2]. Beyond vehicle traffic, the scheme includes a new footbridge over the River Itchen and improved paths for cyclists, horse riders, and pedestrians [1].
Questions people ask
When will the M3 junction 9 northbound slip road reopen?
It is scheduled to reopen in winter 2027 [1]
Why is the M3 closing near Winchester?
Crews are working 24/7 to demolish old bridges and concrete supports to allow for road widening [1]
Where this came from
[1] bbc.co.uk
M3 to close near Winchester for junction 9 bridge demolition
Preview image from bbc.co.uk
[2] dailyecho.co.uk
Drivers being warned of M3 and M27 closures in Hampshire
Preview image from dailyecho.co.uk
[3] newcivilengineer.com
VolkerFitzpatrick Balfour Beatty Joint Venture (VFBB JV)
Preview image from newcivilengineer.com
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