Update -- The victim has been identified by Austin police as 23-year-old Lisa Arriaga.
Officers say Arriaga was walking in the middle of the roadway of the northbound frontage road of Interstate-35 when she was struck by the driver of a black Scion. The driver originally fled the scene, but returned 45 minutes later.
That driver was arrested for failure to stop and render aid. Police say they do not believe the driver was intoxicated.
Arriaga was pronounced dead on the scene. Her death marks Austin’s 51st traffic fatality of the year. Last year at this time, there were 36 traffic-related deaths.
Anyone with information on the incident is asked to call APD’s Vehicular Homicide Detectives at (512) 974-8226.
Earlier --Austin police are investigating the death of a female pedestrian who was hit and killed by a car early Sunday morning.
According to the Austin Police Department, the woman was hit on the southbound side of Interstate 35 just north of St. John’s Boulevard in North Austin.
A passerby called 911 after seeing the body in the road. Emergency crews pronounced her dead at the scene.
Police said the driver initially left, but returned to the scene after they realized they may have hit someone.
Police are still investigating the incident.