Ontario Provincial Police have closed Freeway 417 at Campbell Drive close to Arnprior after a severe crash on Thursday afternoon.
Eastbound visitors within the space is being diverted to White Lake Street. The westbound lanes stay open.
OPP say the closure and detour will likely be in place for a number of hours.
Renfrew paramedics say the crash concerned a single-vehicle with one occupant inside. No particulars on their situation have been instantly accessible.
Police are advising drivers to be ready to decelerate when approaching the realm.
Emergency providers stay on scene.
This story will likely be up to date.
