The 6km single carriageway link road will extend between Junction 15 of the M1 Motorway and connect to the existing A45 west of Weedon Village.
It will run parallel and on the south west side of the M1 Motorway for more than half its length before heading south-west towards Daventry connecting to the existing A45 west of Weedon Village.
Extensive earthworks will be required for the scheme, with cuttings and embankments of up to 10m depth and 10m in height. Balfour will also build nine structures along the route.
— Dodmore Rail Bridge- carrying the Link Road over the west coast mainline railway;
— Dodmore Canal Bridge-carrying the link road over the Grand Union Canal;
— Whilton Brook Bridge-carrying the link road over the River Nene;
— Brockhall Road Bridge-carrying a minor road over the link road;
— Brington Road Bridge-carrying a minor road over the link road;
— Green Bridge-carrying a pedestrian and ecological structure over the link road;
— Upper Heyford Farm Bridge-carrying a vehicular accommodation bridge over the link road;
— Hollandstone Farm Culvert-carrying the link road over a watercourse and footpath;
— Hollandstone Farm Crossing – farm accommodation bridge to the south of road.
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