Drivers using the A66 at Bassenthwaite Lake are likely to face delays from September.
Workers will be felling trees on a steep bank next to the road. It's part of a long term Forestry Commission project to thin the adjacent Wythop Forest. There will be temporary lane closures at various points along along the A66 during the three months it takes to carry out the work.
There are also planned overnight closures at Brough, starting on Wednesday 27 August, where studs and road markings will be replaced.
The highways agency suggested drivers check traffic updates before their journeys near Brough and Bassenthwaite.
Roadworks have begun at the A66 at Brough to make repairs to the road's surface.
The work began earlier this week, and is expected to continue into the middle of August.
Three projects are being carried out by the Highways Agency to remove potholes, tackle surface wear and renew road studs and markings.
The work will take place along the route between Brough and Stainmore.
All the work is being done overnight and the routes is being kept open at all times although lane closures will be in place at times and on occasion drivers will be stopped ahead of the roadworks and led past them in 10mph convoys. A 40mph speed limit will be in place during the work.