PONTOTOC COUNTY, OK -- An Allen, Oklahoma woman is in critical condition Tuesday evening after crashing into the back of a semi in Pontotoc County.
OHP troopers say 21-year-old Dakota Frazier was headed south on State Highway 1, Tuesday afternoon, just south of the Chickasaw Turnkpike.
When, for an unknown reason, she slammed into the back of an 18-wheeler in front of her.
Frazier was taken by ambulance to mercy in ada, then flown to OU Medical Center in Oklahoma City.
The truck driver was not hurt.
OHP is investigating the crash.