A car fire is affecting traffic at the top of Bulli Pass.
A number of NSW Rural Fire Service (RFS) crews are on the scene of the fire, which started about 11.45am on Saturday.
The incident is on the Princes Highway under the M1 Princes Motorway overpass at Bulli Tops.
Northbound traffic is passing the incident, under the direction of police, as firefighters work to extinguish the flames.
More to come.