(KSL News) All southbound lanes of I-15 near Lindon were shut down for a few hours tonight as police investigated the scene of a fatal accident.
The accident happened around 8:00 this evening. Police say a Honda Civic was headed southbound when it slammed into the rear of semi truck.
The passenger of the car died at the scene. The driver was airlifted to the hospital in critical condition.
Police do not yet know a cause for the accident.