Cache County Sheriff Deputies responded and assisted the Utah Highway Patrol with a wreck on State Route 30 near 6900 West.
The accident happened around 7pm Saturday.
The third person was taken to the hospital in critical condition.
It is unknown how the accident happened but it was snowing at the time.
Both East and Westbound traffic on SR 30 was completely shut off for an extended period of time.
UHP is still investigating.