(image from OPP West Region Facebook)
The OPP say one person was transported to hospital after a two-vehicle collision near Walkerton.
Emergency services responded to the collision involving a passenger vehicle and a tractor trailer just before 2 p.m. Monday afternoon.
Police say one driver was transported to hospital for treatment of injuries determined later to be non-life threatening.
Highway 9 was closed between Bruce Road 12 and Sideroad 5 in the Walkerton area for several hours Monday afternoon, but has since re-opened.