BOUNDARY COUNTY, Idaho -

Idaho State Police are investigating a semi rollover that blocked Highway 95 for hours Sunday.

The crash happened at milepost 531 in Boundary County.

Police say 64-year-old Glen Roelofs of Canada was driving a tractor trailer, when he drove off the right shoulder and hit a power pole. The semi then tipped over.

Troopers say Highway 95 was shut down for more than five hours.