Safety barrier improvements under way on M3 in Hampshire
and live on Freeview channel 276
Work to upgrade the 10-mile long steel safety barrier into a concrete one started on Monday, beginning with the installation of narrow lanes.
This will take place between junction 9 at Winchester and junction 14 at Southampton, as part of a two phase project.
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Concrete barriers are stronger than their metal equivalents, and last twice as long once constructed.
Millat Ahmed who is overseeing the upgrades for National Highways, said: ‘Concrete safety barriers significantly reduce the risk of vehicles crossing over from one carriageway to another, improving safety and reducing the duration of incident-related congestion.
‘This is an important safety upgrade and is a huge benefit to road users.’
Three lanes will remain open during the works, with the hard shoulder acting as a running lane.
A reduced speed limit of 50mph will be in place.