UPDATE: Road reopened after multiple vehicle crash in Rexburg Updated at Share This UPDATE: It is not yet clear as to what caused the crash. ORIGINAL STORY: REXBURG — Police are investigating a crash involving multiple vehicles on Yellowstone Highway in Rexburg. Rexburg Police Department Assistant Chief Gary Hagen tells EastIdahoNews.com the crash happened before 2 p.m. at the intersection of Yellowstone and Pioneer Road. Hagen said people have been injured, but it’s not yet clear how serious the injuries are. Police ask people to avoid the area as they investigate and clean up the crash. EastIdahoNews.com will provide updates when they become available.