UPDATE: Idaho State Police released an update about the crashes that happened Friday evening on Interstate 84. 

The first crash occurred at 5:22 p.m. eastbound I-84 at milepost 198. Sagemarie Sprenger, 27, of Burley, was eastbound on I-84 in a 2017 Volvo semi pulling two trailers. Lavonne Russell, 49, of El Cajon, Calif., was following behind Sprenger in a 2015 International semi pulling a trailer. Sprenger stopped for slowing traffic in front of her.  Russell was following too closely, and struck the rear of Sprenger's trailer. Both Sprenger and Russell were wearing seat belts. Russell had a juvenile passenger in the vehicle.  The juvenile was wearing a seat belt. The eastbound lanes were blocked for approximately 45 minutes.  

The second crash occurred at 5:40 p.m. eastbound I-84 at milepost 195.5. The following drivers were all westbound: Iosif Todirash, 27, of Springfield, Mo., in a 2007 Volvo semi pulling a trailer; Glenn Combs, 24, of Filer, in a 2015 Ford F350; John Goodrich, 57, of Mountain Home, in a 2014 Ford Fusion; and Alexander Harrison, 25, of Vancouver, Wash., in a 2014 Kia Cadenza. The Volvo struck the rear of the Ford F350, which struck the rear of the Ford Fusion. The Volvo went off the right shoulder where it hit a guardrail and then came back into the lane, where it struck the Kia.  Combs, Goodrich, and Harrison were all wearing their seat belts. The westbound lanes were blocked for approximately two hours.

A third crash occurred at 6:06 p.m. eastbound I-84 at milepost 194. Alice Prudent, 54, of Kimberly was eastbound in a 2012 Honda CRV. Phillip Rangel, 49, of Logan, Iowa, was following the Honda in 2006 International semi. Both were stopped in traffic, but Rangel let off the clutch and struck the rear of the Honda. Both Prudent and Rangel were wearing seat belts. There was no blockage.   

The crashes are under investigation by Idaho State Police.  They were assisted at the scenes by the Jerome County Sheriff's Office, the Minidoka County Sheriff's Office, and West End Fire Department.  

Original story

TWIN FALLS, Idaho (KLIX) – First repsonders are at the scene of two crashes on Interstate 84.

Both crashes -- one near mile post 198 in the eastbound lanes, the other in the westbound lanes near mile post 201 -- happened a little before 6 p.m., according to an Idaho State Police dispatcher.

Traffic is backed up near mile post 193, according to one eastbound traveler.

ISP said more information will be released later.