Night-time surveys begin on the A10 from 12 October to prepare for the West Winch access road. The work then moves to the A47 and Hardwick Roundabout near King’s Lynn over the following weeks. Norfolk County Council has planned overnight lane closures with temporary traffic lights to carry out these investigations.
A10 surveys start with two-week programme
Surveys on the A10 cover about 400 metres north and 250 metres south of the Gravel Hill Lane junction in West Winch. These start on 12 October and are expected to last two weeks. The surveys will examine road surface condition and drainage to inform the design of the new access road.
Follow-on surveys on the A47 and Hardwick Roundabout
From 26 October, surveys move to a 1.5km section of the A47 just east of Hardwick Roundabout for two weeks. After that, work continues on Hardwick Roundabout itself for a further three weeks. These phases also use overnight lane closures under temporary lights, though lane specifics have not been confirmed.
Why surveys are essential before construction
The West Winch Housing Access Road will run 1.5 miles, linking the A47 and A10 south of King’s Lynn. It will become part of the A10 after opening. The scheme aims to ease congestion, reduce heavy traffic through West Winch village, and support up to 4,000 new homes. It also includes dualling nearly one mile of the A47 and adjustments to Hardwick Junction.
Norfolk County Council appointed Costain in June 2026 to complete detailed design and build the road. Costain describes this contract as a significant element of the £122 million project, though no contract value has been disclosed.
The night surveys cast valuable data on existing road surfaces and drainage. The designers need to know which parts of the current road can be retained and which require rebuilding. Drainage condition informs whether new pipework is necessary or existing systems can be reused.
Seven-week survey programme for detailed design
The council’s programme splits into three parts: the A10 near Gravel Hill Lane for two weeks, the A47 east of Hardwick Roundabout for two weeks, and Hardwick Roundabout for three weeks. All work takes place overnight to minimise disruption.
Drivers around King’s Lynn should expect temporary lane closures and traffic lights overnight in these areas over the next seven weeks.
