Gregg County — Smith County officials tell KETK all I-20 eastbound lanes are back open.

The driver of the U.S. mail truck that overturned was taken to a local hospital with minor injuries. Authorities believe the semi was speeding before it rolled.

No mail was lost during the crash.

No other vehicles were involved.

ORIGINAL REPORT: Smith County DPS officials confirm Interstate 20 eastbound lanes are down to one lane near Highway 42.

A semi has flipped on its side, causing the traffic congestion.

KETK is on the scene and will bring you more information as it becomes available.