Motorists can expect delays on Abeford Road.
Northern Gas are carrying out work to replace gas mains on Aberford Road, in Stanley.
Temporary traffic lights haev been puty in place close to Kingsland Primary School, between the junctions of Moorhouse Grove and Bottom Boat Road.
The work is taking place during the half term school holidays to minimise disruption and is expected to be finished by Friday, February 21.
Drivers are being told to find alternative routes.