Maintenance work to be carried out between East Kurrajong and Blaxlands Ridge

Motorists have been warned of change traffic conditions on Putty Road next week for maintenance work to be carried out.

The work will take place from early February on Putty Road between East Kurrajong and Blaxlands Ridge, a Transport for NSW statement said.

"Work will involve replacing asphalt, repainting road markings and stabilising the road to improve safety and provide more consistent driving conditions for motorists," the statement said.

"Work will be carried out from Monday, February 3 to Friday, April 17 between 7am and 5pm, weather permitting. Work will not be carried out during the weekend or public holidays.

"Lane closures, traffic control and a reduced speed limit of 40 km/h will be in place for the safety of workers and motorists."

Motorists have been advised to drive to the conditions and follow the direction of signs and traffic control.

For the latest traffic updates download the Live Traffic NSW App, visit livetraffic.com or call 132 701.