Motorists are advised of changed traffic conditions from next week on the Illawarra Highway in both directions at Burrawang for drainage work to be carried out.
Two concrete walls will be built around existing drains 500 metres north of Church Street from Tuesday 29 July, for two weeks.
Work will be carried out during the day between 7am to 5pm, Monday to Friday, weather permitting.
During work single lane closures and a reduced speed limit of 60 km/h will be in place.
Motorists should allow up to five minutes additional travel time, drive to the conditions and follow the directions of signs and traffic control