The arrest happened in the intersection of Edgfield Street and Robinette Road at 10:10 a.m. Friday.
According to an arrest affidavit from Bell County officials, a Killeen police officer was dispatched to the area in reference to a crash with injury. The affidavit said a white vehicle had reportedly run a stop sign and struck a pole.
The responding officer reported that 27-year-old Shayla E. Sjolin, who was receiving treatment from EMS when she arrived, was the driver of the car, and that a child was the passenger. Sjolin told the officer she slid through water and that she was going 40 miles an hour when the crash happened.