Collision forces Highway 401 closure at Summerstown

Earlier this afternoon, a collision on Highway 401 at Summerstown brought traffic to a standstill. At this time, all lanes are closed.

Here’s the MTO announcement:

Closure - New

Collision on HWY 401 Westbound between SUMMERSTOWN RD (IC 804)/SD&G CR 27, Summerstown and BOUNDARY RD (IC 796), Cornwall. All lanes closed.

Start Time2024-10-03 1:57 PM