Safety barrier improvements under way on M3 in Hampshire

IMPROVEMENTS are set to be made to the safety barriers on the M3 in Hampshire.

Friday, 10th June 2022, 4:22 pm

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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The upgraded concrete safety barrier on the M3 will be even stronger than the existing steel one. Picture: National Highways.

Central reservation work will begin once each phase is completed.

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.