Update:
The highway is reopened in both directions, Ontario 511 said in a tweet sent out around midnight.
Original story:
A collision in Goulais River has closed Highway 17 in both directions from Highway 556 to Highway 552.
Both eyewitness and social media reports indicate motorcycles were involved in the collision, which happened north of the Goulais River bridge near Timberland General Store.
Traffic on Highway 17 is being advised to use Highway 556 and Highway 552 as a detour, according to a social media post from the Ministry of Transportation issued late Saturday afternoon.
SooToday will have more information as it becomes available.