Investigators say fatigue may have led to a crash early Thursday that killed a 17-year-old girl.

Kassidy Orme, of Santaquin, was driving a 2008 Ford Focus south on I-15 just before 1:30 a.m. when she lost control of her car for an unknown reason and struck a concrete retaining wall near Springville, said Utah Highway Patrol Lt. Todd Royce.

The impact caused the Focus to spin into traffic, where it was struck on the driver's side door by an oncoming Toyota Sequoia.

Despite life-saving efforts, the girl was pronounced dead at the scene, Royce said. Investigators believe the teen may have fallen asleep at the wheel prior to the crash. Southbound I-15 was shut down in that area until 4:30 a.m. as the crash was investigated.

Family members released Kassidy's name Thursday afternoon and set up a GoFundMe campaign* to help pay for funeral expenses.

"Kassy just graduated high school and was off and running on to her next adventure and chapter in her life. She, along with her radiant light and smile, will be missed tremendously," according to the site.

According to her Facebook page, Kassidy recently graduated from Payson High School and was working at an assisted living center as a nurse's aid.

"Love you kass! You will be missed by so many!" was one of several messages of condolence posted on Facebook as word of the accident spread.