Fred Savage, a civic leader, 71-year-old, died when his parked car was struck by a tractor-trailer on I-44.
Authorities said that Savage's car was parked by the side of the interstate when it was hit from behind by a tractor-trailer around noon Saturday.
Fred was killed at the scene.
His wife, Joyce Savage, 65, was critically wounded and was taken to intensive care at a Springfield hospital.
The driver of the rig was arrested on suspicion of driving while intoxicated.
Charges are pending.