A Sac County man was killed Wednesday afternoon in a motorcycle/SUV head-on collision in Story County. According to the Iowa State Patrol, 21-year-old Johnathan Pickhinke of Nemaha was traveling northbound on North Dakota Avenue near Ames at approximately 3:48 p.m. on a 2009 Kawasaki and lost control while negotiating a curve up a hill. Authorities say he then crossed into the southbound lane and collided with a 2019 Ford Explorer, driven by Darren Moon of Ames. Pickhinke was transported to the Mary Greeley Medical Center in Ames where he was later pronounced dead. Moon did not report any injuries. An investigation into the accident is ongoing.