A ramp in Midlothian was reopened Friday morning after being closed most of Thursday because of a fatal 18-wheeler wreck.
The driver was heading north on the ramp from U.S. 67 to U.S. 287 at about 7:07 a.m. when the truck tipped over, according to police.
Authorities said they pronounced the driver dead at the scene. His name was not yet released.
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No other vehicles were involved in the wreck.
Investigators said they are trying to determine if speed or the truck's weight were responsible for the wreck.