Milestone RCMP were at the scene of what they called a serious crash early Sunday morning.
Mounties confirmed to 980 CJME the crash took place just after 3 a.m. on Highway 6 near the junction of Highway 306 and it involved a motorcyclist and a semi.
At this time, RCMP have not said how many people are involved in the crash and what their injuries are.
A detour was in place for most of Sunday.
RCMP said the highway was back open to traffic as of 6:40 p.m.