Motorists heading south of Wollongong on Friday afternoon are being warned of lengthy delays following a two-car crash between Berry and Nowra.
Traffic is heavy on the Princes Highway at Jaspers Brush after the accident happened about 4pm on Friday.
Emergency services are on the scene of the accident, at the corner of Princes Highway and Turners Lane.
Traffic is affected in both directions and there are long delays.
Southbound light vehicles are advised to divert at Belinda then Fern Streets, Crooked River Road, Gerroa Road, then Bolong Road to reaccess the Princes Highway.