Emergency services rushed to the scene of an accident east of Naracoorte on Monday afternoon after a driver apparently lost control of his vehicle.
CFS and paramedics were first to arrive at the scene near the Carters Rd and Wimmera Hwy intersection after being alerted just before 5pm.
One man, believed to be a passenger of the vehicle, was being treated.
No major injuries have been confirmed.
The accident caused minor delays to motorists.