Squires Way in North Wollongong has been closed in both directions since early on Saturday morning due to a police operation to retrieve a car from Fairy Creek.
Just before 10am, the vehicle - which appears to be a utility vehicle - was almost completely submerged, with only the top of the driver's cabin visible.
According to crews on scene, the ute appeared to have been travelling south from Innovation Campus towards North Wollongong. It veered to other side of the road and went into the creek.
The incident occurred before 7.30am.
The Mercury understand driver of the vehicle was taken to Wollongong hospital.