The busy road's being made two lanes in both directions between Segensworth and Titchfield - it's due to take 18 months.
Seven Arrested After Late Night Fight
Police are investigating a huge fight which broke out after a house party in Southampton.
A number of people were involved in the incident in the car park area of Mercury Point near to Duke Street, at around 1.10am on Saturday 6th April - and several were assaulted. It's thought to have started after a house party in Bernard Street.
All the injuries were minor, with one person taken to hospital. They were later discharged.
Seven people have been arrested: Four females aged 17, 19, 25 and 47, along with three men aged 18, 22 and 23. They've all been released on bail while enquiries continue until May.
Officers say it's also believed a vehicle may have been involved. They're are appealing for any witnesses and are keen to hear from anyone who heard or saw anything in the area at this time.
Anyone with information is asked to call Detective Constable Chris Bradford at Shirley CID on 101 or call Crimestoppers anonymously on 0800 555 111.
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