The Ministry of Transportation Ontario will be closing the following sections of Highway 417 for the rapid bridge replacement over Percy Street, starting at 8 pm on Thursday, October 19 until around 6 am on Tuesday, October 24:
- Eastbound lanes between Carling/Kirkwood and Metcalfe
- Westbound lanes between Metcalfe/Catherine and Bronson.
Lane reductions and ramp closures are scheduled to start at 7 pm on Thursday, October 19, with the full closure of Highway 417 scheduled to be in place by 8 pm. The replacement timeline has been extended beyond the usual Monday reopening to accommodate any fall weather that could impact concrete and paving work.
The following access ramps will also close:
- O’Connor westbound
- Lyon westbound (ongoing)
- Maitland eastbound
- Carling eastbound
- Parkdale eastbound
The following detours will be in effect during the closure:
Westbound detour for Highway 417 closure
- Westbound motorists must exit the highway at Metcalfe/Catherine
- Continue westbound on Catherine Street
- Take the Highway 417 Bronson westbound access ramp
Eastbound detour for Highway 417 closure
- Eastbound motorists must exit the highway at Carling/Kirkwood
- Continue eastbound on Carling Avenue
- Turn right on Bronson Avenue
- Take ramp to eastbound Riverside Drive
- Continue eastbound on Riverside Drive
- Take the Highway 417 Riverside eastbound access ramp (just before the 417 bridge)