ARLINGTON, Texas (CBSDFW) – A car struck and killed a pedestrian who was walking in the middle of the 5800 block of the southbound frontage road of U.S. 287 in Arlington.

It happened on September 30 at 12:27 a.m.

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The involved driver stopped and remained on scene after the crash and is cooperating with the investigation.

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There were no signs of impairment on the driver.

Investigators said they don’t know why the pedestrian was walking on the roadway.

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The Tarrant County Medical Examiner’s Office will identify the deceased once next of kin have been notified.