A LaPorte man behind the wheel of a semi was killed when the tractor-trailer overturned.

The crash happened around 1:15 a.m. of Friday, Aug. 26 on westbound I-80/94 near Hammond.

Investigators believe Michael Northern, 53, failed to stop for road construction and crashed into two other vehicles before going off the road and crashing, according to Indiana State Police.

The preliminary investigation showed Northern, who was driving a grain hauler trailer loaded with corn seed, hit a car driven by an Iowa man, then collided with a car driven by a Hammond man. The second vehicle hit then collided with a car driven by an Illinois woman, according to state police.

After hitting the second vehicle, the semi went off the road to the north, over turning on the grassy embankment. Part of the load of corn seed was was lost.

Northern was pronounced dead at the scene, according to state police.

At least four people who were in the other cars that were hit were taken to the hospital with non-life-threatening injuries.

All lanes reopened to traffic just after 7 a.m.