According to the Iowa State Patrol, a semi had been on the shoulder of eastbound I80 near Malcom. It was in the right lane and accelerating to the posted speed limit when the crash happened.
Thirty-six-year-old Jesus Alfredo Belez of Marengo was driving the pick-up that rear-ended the semi. His 37-year-old passenger, Amy Renee Richard of Marengo, died.
Belez has been charged with a felony that carries a maximum prison term of 25 years.