The A11 will be shut to northbound traffic approaching the Fiveways roundabout at Barton Mills in Suffolk from ten o'clock tonight until 6 o'clock Monday morning.
It's the second weekend of closures while work to re-structure the roundabout takes place, as part of the dualling of the A11 up to Thetford.
Diversions via Red Lodge and Bury St Edmunds will be in place
A Freedom of Information request has revealed that there are more roadworks in Essex than anywhere else in the country, with 6,000 currently underway.
A new survey has revealed that Essex boasts the highest number of ongoing road work projects in the country. The survey by car breakdown firm Britannia Rescue, shows the county has six thousand separate road work schemes.
Hills Road in Cambridge also featured in the report. The road has had 280 road work schemes over the last five years.