Traffic crashes involving combines and tractors would decrease by more than half if state policies required more lighting and reflection on those farm vehicles, according to a new study from the University of Iowa College of Public Health. “Many drivers misjudge the time and distance it takes to slow down when they approach a farm vehicle from behind. Better lighting would give them more time,” said Marizen Ramirez, lead author of the study. (The Gazette)
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Other media coverage

Minneapolis Star Tribune
http://www.startribune.com/study-better-lighting-reflection-on-farm-vehicles-could-reduce-crashes/398749241/

KCRG
http://www.kcrg.com/content/news/UI-Study-finds-simple-changes-could-dramatically-reduce-farm-equipment-crashes-397810381.html

Insurance Journal
http://www.insurancejournal.com/news/midwest/2016/10/21/430028.htm

Radio Iowa
http://www.radioiowa.com/2016/10/24/study-suggests-better-marking-of-farm-vehicles-could-cut-accidents/

The Daily Iowan
http://daily-iowan.com/2016/10/31/with-harvest-here-ui-studies-farm-vehicle-safety/

Others: WQAD, Iowa Public Radio, saukvalley.com (Illinois), Missouri Public Radio, Brownfield Ag News, Claims Journal, St. Joseph (MO) Post, Feedstuffs