Arizona Department of Public Safety officials said 47-year-old Shanna Outie of Houston was pronounced dead on Sept. 17 and was the only person inside her vehicle.
The 28-year-old driver of the other car may have been speeding at the time of the fatal crash, authorities said.
They said the suspect fled the scene on foot but was later tracked down and arrested Saturday.
Court records show the suspect has a history of DUI and weapons charges. The man was booked into jail on suspicion of two counts of aggravated DUI and leaving the scene of a fatal accident, authorities said.
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