A multi-vehicle accident on Springhill Road at Cringila has caused a long traffic jam.
The two-car accident happened around 4.10pm, near the intersection of Springhill Road and Lake Avenue.
It happened in the westbound lanes, and has seen afternoon peak hour traffic banking back almost to the King Street intersection.
A 23-year-old man with facial injuries was transported to Wollongong Hospital, while a 33-year-old is being assessed at the scene.
Northbound traffic out of Lake Avenue is also heavy.