According to the DPS, the car ran through a guard rail and off the side of a hill along U.S. Highway 277 near Tuscola.
The driver, described as an elderly woman, was transported by medical helicopter to an Abilene hospital.
There is no word yet on the cause of the accident, nor the severity of the woman's injuries, though personnel on the scene suggested her injuries were severe.
The DPS is currently investigating the situation, and we will have more information as it becomes available.
(Information from BigCountryHomepage.com)