Some disruption to local traffic will take place in the Mountcharles area over the next three months.
There will be no closure of the main N56 but local roads will be affected.
The work involves lowering a section of the road near Kelly’s garage and a slip road has been constructed to avoid any closure of the main route.
Donegal Sinn Fein Councillor Noel Jordan says the work is long-overdue:
