The changes will allow for survey work to be carried out to collect information for future safety improvements.

Surveyors will be working on the roadside and near property accesses at Walang between 7am and 6pm Monday to Friday and between 8am and 1pm on Saturday.

ALSO MAKING NEWS:

The work 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.

Great Western Highway, Walang ...

Motorists are advised to plan their trip and follow the direction of traffic control and all signs, including reduced speed limits.

Transport for NSW thanks motorists for their patience during this time.

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