Highway 400 in Muskoka has fully reopened following a single-vehicle crash that left one driver injured. The incident occurred on the afternoon of May 17, 2026, prompting a temporary closure of the highway as emergency crews responded.
Crash Details
According to Ontario Provincial Police, the driver sustained injuries in the rollover crash. The extent of the injuries has not been disclosed, but the driver was transported to a local hospital for treatment. The cause of the crash remains under investigation.
OPP officials have not released further details about the vehicle or the circumstances leading to the rollover. However, they have confirmed that no other vehicles were involved.
Highway Reopened
After several hours of cleanup and investigation, Highway 400 was reopened to traffic. Motorists in the Muskoka area experienced delays during the closure, but normal traffic flow has since resumed.
This incident is part of a broader enforcement blitz by OPP targeting impaired and dangerous driving in the Muskoka region. Multiple drivers have been charged in recent days as part of the crackdown.
Authorities remind drivers to remain vigilant and obey traffic laws to prevent similar incidents. Anyone with information about the crash is urged to contact OPP.



