DALLAS (CBSDFW.COM) – A FedEx driver died Saturday morning after the truck and trailer went off a freeway in Dallas and landed on a road, authorities said.

The Dallas County Sheriff’s Department said it responded to the crash just after 5:30 a.m. and found that the truck flew off near the 400 block of Julius Schepps Freeway (I-345) and landed on Cesar Chavez Boulevard.

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The department said the driver had crashed into a guardrail on the freeway for an unknown reason. The driver, who has not yet been identified, was the sole occupant of the truck and was pronounced dead at the scene.

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(Credit: CBS 11 News)

The Dallas County Medical Examiner is currently working to identify the driver.

No further details have been released as authorities continue to investigate.

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CBSDFW.com Staff