The state Highway Patrol said the tractor-trailer caught on fire while traveling on the ramp from I-540 to I-40 East around 7:25 p.m.
The ramp was blocked, but troopers said traffic kept moving, except for onlooker delays.
The fire was put out just before 8 p.m., and the ramp was reopened shortly after, traffic cameras showed.
No injuries were reported in the fire, troopers said. The state Highway Patrol and local police responded to the scene.
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