Ontario Provincial Police in Orillia are investigating a tractor-trailer accident on Highway 11 Monday morning.
Police say the accident happened just after 6:30 a.m. just north of Line 14.
All southbound lanes were closed as of 8:50 a.m. while OPP conducted an investigation, and northbound lanes were reduced to one lane.
The Orillia OPP, along with Oro-Medonte Fire and County of Simcoe paramedics, responded to a single-vehicle collision where a southbound tractor-trailer struck a guard rail.
Police have not released any details regarding the injuries at this time.
More updates will be provided as they become available.