Updated April 17 at 11:55 a.m.
The crash on Highway 17 near Hagar this morning is also fatal, the OPP said on one of their Twitter accounts at 11:47 a.m.
There are detours via Highway 537 and Highway 535.
Updated April 17 at 10:45 a.m.
Highway 17 is now closed in two separate areas in this region.
The highway is closed between Highway 537 and Highway 535 in the Markstay area due to a collision. The reopening time is unknown. No further information about this crash is currently available.
Highway 17 is also currently closed between Lively and Whitefish after an early-morning, single-vehicle crash involving a tractor trailer running into a rock cut. Other local media are reporting that this crash was fatal.
Updated April 17 at 10:05 a.m.
The OPP say they're investigating a "serious crash" on Highway 17 involving a tractor-trailer colliding with a rock cut. It was single-vehicle crash. The westbound lanes of Highway 17 between Lively and Whitefish are still closed. It's unknown when the road will reopen.
Updated April 17 at 7:40 a.m.
The westbound lanes of Highway 17 are closed between Lively and Whitefish this morning after a single-vehicle collision involving a tractor-trailer early this morning.
The OPP said there's a detour using Municipal Road 55.
The reopening time is unknown.
Original story:
There's been a single-vehicle collision involving a tractor-trailer on Highway 17 westbound at Bay Street in the Naughton area, the OPP said in a tweet at 6:32 a.m. Tuesday.
No further information is available at this time.