Traffic lights will be used on the A11 between Fiveways roundabout, Barton Mills and Thetford, this week.
Between 6am and 8pm traffic lights will be used along the route as plant crossing haul routes are set up.
The lights will temporarily stop traffic in both directions as required.
Potable two-way lights will also be used as and when required during off-peak hours on the stretch of the A11.
Traffic lights may also be used on the B1106 close to the junction for Elveden Forest Center Parcs.