JoEllen Abbott, 40, was taken to the hospital after her van was struck by a truck on South 22nd Street in St. Joseph.
Police say the truck that hit Abbott's van was listed as stolen.
The driver of the truck, a juvenile, was also taken to the hospital with serious injuries. The other occupants of the truck were two juveniles and a 17-year-old. All three were taken to the hospital with injuries.
The St. Joseph Police Department said an officer had passed the stolen truck a few moments before the crash, but police were not in pursuit of the vehicle. The officer reported that the truck was traveling at a high rate of speed.