The passenger in that van, Dawn Voss-Alshwayit, was killed. Her husband, who was the driver, was hospitalized.
Prosecutors say Pas was driving with a blood-alcohol level more than four times the legal limit.
$1 million bond for driver in deadly crash
It happened last week near Madison Street in Burr Ridge.
Robert Pas is charged with aggravated driving under the influence resulting in the death of another.
Police say he rear-ended a van forcing the driver into a ditch.
