Paramedics were called to the scene of a 2 truck crash on the Hamilton Highway in Fyansford.
A man was rushed to hospital by Ambulance Victoria who confirmed he had suffered a non-life threatening head injury in the crash.
The man in his 40s was taken to Geelong Hospital in a stable condition.
The Hamilton Highway was closed between Ring Road and Deviation Road.
Police remained on the scene of the crash which resulted in major traffic delays. One of the vehicles involved was a diesel tanker and required a lengthy operation to clean up the large diesel spill.