![The M5 near Bridgwater [Photo: Costain]](https://www.theconstructionindex.co.uk/assets/news_articles/2026/01/1769500261_m5-bridgwater-credit---costain.png)
Costain has been appointed to put in a brand new junction 22A at the M5 in Somerset, between Burnham-On-Sea and Bridgwater.
It’ll supply get admission to to the Gravity Good Campus and £4bn gigafactory this is being evolved by means of Agratas, which is ready to be Britain’s greatest electrical automobile battery production facility.
The junction can have north-facing slip roads and must alleviate congestion at the dual carriageway south of the Huntspill river.
Awarded throughout the Regional Supply Partnership (RDP) framework, the contract is value roughly £100m to Costain over a five-year duration.
Costain’s function because the challenge’s supply integration spouse and primary works contractor will see it design and assemble the brand new junction ahead of handing it over to Nationwide Highways on crowning glory. WSP will toughen Costain as design spouse.
Costain leader govt Alex Vaughan stated: “This award is constructed on our original highways supply experience and relied on spouse courting with Nationwide Highways. We can paintings intently with our provide chain companions to design and ship this new junction that may supply get admission to to the brand new gigafactory and assist to pressure financial enlargement on this area of the United Kingdom.”
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