BRIGHTON, Ill. — Illinois State Police are investigating circumstances involving an Amtrak train that hit a sport utility vehicle that had become stuck on the tracks, killing the driver from St. Louis.

The St. Louis Post-Dispatch says 35-year-old Melanie Adams-Swearengen died at the scene of the accident about 10 p.m. Wednesday in Brighton.

State police say the SUV went off the road for unknown reasons and became stuck on the tracks before the Chicago-to-St. Louis train hit its passenger side.

Amtrak says one of the train’s 44 injuries sustained slight injuries.

Information from: St. Louis Post-Dispatch,