UPDATE: Car crossed I-229 median ahead of deadly crash

SIOUX FALLS, S.D. (KSFY) - UPDATE, 10 a.m. Wednesday:

Authorities say a deadly crash in eastern Sioux Falls happened after a car crossed the interstate median.

The accident took place Tuesday afternoon on I-229 near the Benson Road exit.

According to Department of Public Safety spokesman Tony Mangan, a 2000 Chevrolet Cavalier driving north veered left, crossed the median, and struck a southbound 2010 Buick Lucerne.

The driver of the Cavalier, a 25-year-old woman, was pronounced dead at the scene. Troopers say she was not wearing a seat belt.

Crews had to extricate the driver of the Buick, a 65-year-old woman, from the vehicle. She was hospitalized with serious but non-life-threatening injuries. Troopers say she was wearing a seat belt.

No one else was involved in the crash. Authorities have not released any names in connection to the accident.

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Original story:

One person is dead after a crash on Interstate 229 in Sioux Falls. A second person was taken to the hospital.

Department of Public Safety Public Information Officer Tony Mangan said it's unclear what caused the crash, but crews continue to investigate.

Mangan encouraged people to continue to avoid the area while crews remain on the scene.
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ORIGINAL STORY:

Traffic is backing up on Interstate 229 near the Benson Road exit due to a crash.

Crews are on the scene of the head-on collision that happened around 4 p.m.

The extent of injuries is unknown at this time.

This is a developing story.