Sun Prairie man killed after being hit by semi on I-39 near US 151

UPDATE (WKOW) -- A Sun Prairie man is dead after he was hit by a semi on I-39 SB early Friday morning.

Just before 4 a.m., Wisconsin State Patrol says troopers were notified of an injury crash on I/39/90/94 just north of the interchange with US 151. When troopers arrived, they found the 42-year-old man dead.

State patrol investigators say the man was walking in the southbound lanes "for an unknown reason," when he was hit by a passing semi truck.

The semi driver stopped at the scene and is cooperating with the investigation.

All southbound lanes of I-39 remain closed near US 151 as authorities continue their investigation.

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