Officials with the Iowa Department of Public Safety report that at approximately 12:30-p.m. Sunday, a semi hauling hazardous material was flagged down by a motorist that witnessed a liquid coming from the trailer at the 86mm of Interstate 29. Iowa State Patrol Troopers arrived and accessed the situation. The liquid material was deemed hazardous and the Interstate was shut down both north and south bound. The roadway has since re-opened.