Ottawa Valley commuters and anyone road-tripping west along Highway 17 got an unwelcome surprise this week: a stretch of the highway between Deep River and Chalk River was shut down after a transport truck crash brought down power lines.
What happened
According to the Ontario Provincial Police (OPP), the crash occurred Tuesday morning on Highway 17 west of Petawawa, involving a transport truck. The collision was serious enough to knock out power lines along the route, forcing police to close the highway between Wylie Road in Deep River and Main Street in Chalk River while crews worked to clear the scene and restore power safely.
Highway 17 has since partially reopened in the affected zone, though drivers should expect residual delays, reduced lanes, or utility crews still working roadside as hydro repairs continue.
Why it matters for Ottawa drivers
While Deep River and Chalk River sit a couple hours northwest of downtown Ottawa, Highway 17 is the main artery connecting the capital to the upper Ottawa Valley, Pembroke, and beyond toward North Bay and Sudbury. It's a route well-travelled by Ottawa residents heading to cottage country, visiting family in the Valley, or making the drive out to Algonquin Park and other northern Ontario destinations. A closure — even a temporary one — on this stretch can mean significant detours or delays for anyone making that trip, especially during peak cottage season or long weekends.
Crashes involving downed power lines are also a reminder of how quickly a single collision on a two-lane highway can ripple outward, cutting off electricity to nearby homes and businesses while also snarling traffic for hours.
What to know if you're driving that way
If you're planning a drive west from Ottawa toward Deep River, Chalk River, or Petawawa in the coming days, it's worth checking road conditions before you leave. OPP and Hydro One crews may still be finishing repairs in the area, and drivers should be prepared for possible lane restrictions, flaggers, or slower-than-usual traffic through the affected zone.
As always with highway incidents involving power infrastructure, safety crews prioritize getting lines secured and power restored before fully reopening all lanes, so some residual disruption is possible even after the official reopening.
Ottawa Valley residents can typically check real-time provincial highway updates through Ontario's 511 service for the latest on conditions along Highway 17 and other regional routes.
Source: CBC Ottawa


