Police are appealing for information on a crash at Mount Ousley last year.
A dark-coloured Mercedes Benz SUV was travelling west along Mount Ousley Road when it hit a stationary white Toyota Hiace van at 3.10pm on December 2.
Police said the van driver, 34, was found lying on the road with serious injuries.
He was taken to Wollongong Hospital and later transferred to St George Hospital where he had surgery for leg, back and internal injuries.
The Mercedes driver, 28, was not injured in the crash but taken to Wollongong Hospital for mandatory blood and urine tests.
Police are asking anyone who witnessed the crash to contact Crash Investigators on 4232 5430 or Crime Stoppers on 1800 333 000.