Dayton Otto, 22, and Evan Holbrook, 25, killed in car crash on Gardner Expressway in Quincy, Illinois

Two people killed in Sunday morning crash in Adams County Posted: Two people were killed in an early Sunday morning crash in the 3100 block of Gardner Expressway near Quincy, the Adams County coroner said. The Adams County Sheriff's Office was investigating the single-vehicle crash. Deputies said the crash happened in the overnight hours in front Huber Engineered Materials at 3150 Gardner Expressway. Investigators blocked off the road in front of the business for several hours. No further information was released.