Police say more details about the case will come out Monday, when the case is scheduled to be presented to Madison County prosecutors.
It happened around noon on Route 3 when a car driven by Joyce Davis of Granite City collided with another vehicle.
The driver of a semi truck was airlifted to St. Louis University Hospital. The driver of a pickup truck was also injured and taken to an Alton Hospital.
Senator says it will pump $100 million into local economy