Highway 10 closed in Markdale after multi-vehicle collision
OPP are asking drivers to use alternate routes.
By David Ellis · · Updated · 1 min read
Updated Oct. 21, 2026, 10:15 a.m.: This story has been updated with information from the OPP.
Highway 10/Toronto Street South is fully closed between Uplands Drive and Road 110 in Markdale following reports of a multi-vehicle collision, Grey Bruce OPP say.
Occupants are being assessed for injuries, according to OPP.
"Please use alternate routes," OPP West Region said in a Facebook post that listed the closure as of 10:05 a.m. Wednesday, Oct. 21.
The Municipality of Grey Highlands also posted on its Facebook page: "Please be advised Highway 10 is closed from Road 110 to Markdale for a motor vehicle collision. Please avoid the area."
The Banner will update this story as more information becomes available.
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