ELIZABETH, Colo. -- The driver of a Dodge Viper was killed early Monday when the car she was driving was ripped in half after hitting a tractor-trailer west of Elizabeth. The impact also ripped the front wheels off the semi.

The accident was reported at about 12:10 a.m. and closed Highway 86 for nearly six hours, according to the Colorado State Patrol.

According to investigators, the driver of the Viper was headed west of Highway 86 and veered in front of the oncoming tractor-trailer, which was heading east. After the two vehicles collided, the big rig struck a sport utility vehicle, knocking it into the ditch.

The woman who was killed in the accident was identified as Meredith Johnson, 39, of Larkspur, Colo. The truck driver and the driver of the SUV were not injured.

Investators said that drugs or alcohol were not suspected as factors in the crash.