Thunder Bay OPP – Investigation continues into fatal collision

Members of the Thunder Bay Detachment of the Ontario Provincial Police (OPP) are investigating a fatal collision involving a tractor trailer unit and passenger vehicle.

On Tuesday, August 25, 2026, at approximately 12:30 p.m. EDT, OPP officers along with emergency medical services responded to reports of a collision at the intersection of Mapleward Road and Highway 11-17.

One individual, a 19-year-old female from Thunder Bay, was transported to hospital where she was pronounced deceased.

A section of Highway 11-17 was closed for several hours while the OPP Traffic Incident Management Enforcement team conducted their investigation but has since reopened.

Anyone who may have witnessed the collision or has dashcam footage from the area at the time of the incident is asked to contact the OPP at 1-888-310-1122. To remain anonymous, tips can be submitted to Crime Stoppers at 1-800-222-8477 or online at ontariocrimestoppers.ca.

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The Ontario Provincial Police (OPP) provide policing services throughout Ontario. Our officers are responsible for policing over one million square kilometres of land and waterways. They provide frontline policing services to more than 320 Ontario municipalities and patrol over 126,000 kilometres of provincial roadways.

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