Broken down trucks have blocked a lane of the highway at both Springwood and Mt Victoria this morning.
At Springwood, a truck has broken down near Ferguson Road, cutting off one west-bound lane.
And at Mt Victoria, another truck has failed near Victoria Pass, affecting one lane of east-bound traffic.
There is also disruption on the highway in the Mid Mountains, with road resurfacing from Parkes Crescent at Faulconbridge to Tollgate Drive bridge in Linden. The work is scheduled from 9am-5.30pm all week.