Drivers are being reminded of overnight closures on the A47 between Wisbech and King’s Lynn from Wednesday.
Roadworks are being carried out between the Elm High Road roundabout and the Pullover Roundabout at Lynn to renew road markings and studs.
The stretch will be closed in both directions from 8pm to 6am on weekday nights from Wednesday to Friday, April 16.
Traffic will be diverted at the Elm High Road through Wisbech to the A1101 to Long Sutton and then along the A17 to Lynn.
Traffic from Lynn will follow the same route in reverse. The work is being carried out by Highways England.