Even though plans to upgrade the M3 junction 9 to 14 to an all lane running motorway have been paused, we’re continuing to make some big safety improvements.
We’re replacing the old metal central reservation barrier between junctions 9 and 14 with a safer concrete one.
You may have seen us changing the road layout between junctions 12 and 14, removing the existing road markings and getting ready to install temporary barriers.
From late June 2022, temporary traffic management measures will be in place between these junctions, creating a safe space for our teams and the travelling public. We need to do this before we can carry out the safety barrier improvements.
From early-July 2022, we plan to start work in the central reservation between junctions 12 and 14. This will involve removing the existing metal safety barriers and lighting columns, cutting and breaking the road surface, digging trenches, drainage work, laying foundations, constructing the new concrete central reservation itself and sections of re-surfacing.
Overnight from mid-July 2022 for about eight weeks, we’ll begin preparation works on both carriageways between junctions 9 and 12. Our overnight working hours are 7pm to 7am on weekdays and 6pm to 8am on Saturdays and Sundays when traffic levels are at their lowest.
For the most up to date information, please check our website.
Will my journey be affected?
Three lanes will remain open to traffic, meaning the hard shoulder will be used as a running lane. There will be a reduced speed limit of 50mph, CCTV coverage and a free recovery service.
We aim to carry out these works during the day between 8am and 6pm on weekdays and 8am to 1pm on Saturdays and occasional Sundays.
This work will be carried out overnight - check before you travel:
What are the benefits?
Concrete barriers significantly reduce the risk of vehicles crossing over from one carriageway to another, improving safety and reducing the duration of incident-related congestion. They are also virtually maintenance free and will last longer than normal metal barriers, with far less need for closures for routine repairs.
Go Green with My Journey
We’re working closely with our partners to make it easier for people to use sustainable transport when travelling on our network. It’s good for the planet and helps reduce congestion on one of our busiest motorways. |
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My Journey is a useful website to find information about local cycle routes to work, walking maps or links to public transport. Plus, the Travel Smart section can help you make informed travel choices that benefit you and the environment, especially during the roadworks in the region.
For more information, visit the My Journey Hampshire website or sign up to receive alerts.
We want to hear from you
We recently launched a feedback tool and would like to hear your thoughts. The tool includes an interactive map, which lets you to click on a location and make a comment, or you can give us more general feedback.
Visit our M3 junction 9 to 14 web page to have your say
If you wish to find the answer to a specific query or issue, please email the project team.
Keep in touch
If you have any questions about the M3 junction 9 to 14 project, please contact National Highways by:
- Email – info@highwaysengland.co.uk
- Phone – 0300 123 5000
- Letter – M3 9 to 14 safety barrier improvement project, National Highways, 2 Colmore Square, Birmingham, B4 6BN
For commonly asked questions, please see the list of FAQs on our website.
Information on driving safely on motorways
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