The Highways Agency will start work on Monday on a £4.1 million scheme to repair concrete columns and supporting crossbeams at Gravelly Hill Interchange, also known as Spaghetti Junction.

The 17-month project to reinforce eight bridge deck supports and several columns at junction 6 of the M6 is essential to maintain Birmingham's iconic motorway interchange.

Work is taking place below the bridge deck, so the M6 motorway carriageway will not be affected by the work, and the Highways Agency has worked closely with Birmingham City Council to ensure delays to road users are kept to a minimum.

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Moreblessing Pedhuru, Highways Agency Project Sponsor, said: "The programme of repairs will help to ensure the Spaghetti Junction slip roads supported by these columns continue to provide a safe route for drivers, and doing the work now will prevent further deterioration and more costly repairs in the future.

"We will repair eight concrete crossbeams that support the carriageway above the roundabout at Salford Circus. Four of these crossbeams are sited above the sunken pedestrian area and four on the inner paved section of the roundabout.

"We will install steelwork to support the carriageway whilst the repairs are being carried out. The road markings will be changed on the approach to and at the roundabout to maintain traffic flows, and a reduced speed limit will be in place for the duration of the repairs."

(CD/JM)