Motorists are advised of changed traffic conditions on The Escort Way and Henry Parkes Way between Orange and Parkes, for investigation work to be carried out.
Work including surveying the roadside and environmental assessments and will be carried out along various sections of The Escort Way and Henry Parkes Way from Monday, May 25.
Work will be carried out between 7am and 6pm Monday to Friday and between 7am and 1pm on Saturday and will be completed within six weeks, weather permitting.
Changed traffic conditions including reduced speed limits will be in place for the safety of workers and road users during work hours.
Motorists should plan their trip and follow the direction of traffic control and signs, including reduced speed limits.
Transport for NSW thanks motorists for their patience during this time.