At approximately 7:20 p.m., Saturday, Indiana State Police and Clay County emergency agencies responded to the accident, which took place near the 25-mile maker.
A preliminary investigation revealed a 2012 Chevrolet Avalanche, driven by Joey Barker, 27, Elk City, Okla., was eastbound in the passing lane of I-70 approaching a construction zone.
Both the passing lane and driving lane were at or near a complete stop due to a backup in the zone.
According to reports, Barker failed to slow his vehicle and veered into the driving lane to avoid stopped traffic in the passing lane and struck a tractor-trailer in the rear.
Barker and his 19-year-old passenger, Cody Finley, address unknown, were trapped in the vehicle for approximately one hour before being extricated by members of the Posey Township Volunteer Fire Department and Jackson Township Volunteer Fire Department.
Barker was flown to Methodist Hospital by Lifeline Air Ambulance and Finley was airlifted to Methodist Hospital by Air Evac Air Ambulance.
Barker and Finley appeared to have suffered lacerations, abrasions and internal injuries.
It is unknown if seatbelts were in use, but airbags were deployed. It was also unknown if alcohol or drugs were a factor.
The driver of the tractor-trailer was James M. Tew, 64, Clear Lake, Wis. Tew was not injured. He was operating a 2007 Volvo tractor pulling a box trailer loaded with aluminum cans.
The vehicle is owned by Steve Anderson Trucking, Boynville, Wis.
Indiana State Police First Sergeant Jeff Hearon investigated the accident. Assisting were ISP troopers Yan Dravigne and Tyler Van Ness, members of the Clay County Sheriff's Department, Clay County Search and Rescue and TransCare.
Eastbound traffic on I-70 was diverted for about one-and-a-half hours onto State Road 59 and United States 40 east to United States 231 south onto I-70 east.