Kaitlin Dardorff, 26, of Ririe was involved in a crash on US-26 Sept. 3 after striking the back of another vehicle near milepost 341.
According to an Idaho State Police press release, Daniel Waisbrot, 84, of Idaho Falls was traveling westbound on US-26 in a 2012 Ford Fusion at a low rate of speed, when Dardorff struck the back of his vehicle in a 2006 Subaru Tribeca.
Waisbrot was transported by ground ambulance to the Eastern Idaho Regional Medical Center. Both drivers were wearing seatbelts.
Idaho State Police estimate the roads were blocked for approximately 45 minutes.