MINNEAPOLIS (WCCO) – A snowmobiler suffered a broken leg Friday evening in northern Minnesota after he collided with a car while trying to cross a road, officials say.

St. Louis County sheriff’s deputies found 41-year-old Gregory Carlson, of Duluth, with a compound fracture to his lower right leg as well as a possible femur fracture to the same leg.

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Carlson was going east on a snowmobile trail and attempted to cross Lavaque Road, just north of Martin Road, the sheriff’s office says. A northbound car on Lavaque, driven by 54-year-old Michael Salo of Saginaw, collided with Carlson at around 5:15 p.m.

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Witnesses said that Carlson may have failed to stop at the trail stop sign before attempting to cross the road, the sheriff’s office says.

Emergency crews treated Carlson at the scene and brought him to an area hospital.

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The cause of the collision is under investigation.