Traffic anchor Katherine Whaley says only one lane is able to get by on the left.
Emergency crews are on the scene, with the 18-wheeler laying on its side in a grassy area just off the left shoulder.
We do not yet know if anyone was injured in the wreck or how the truck flipped.
We're following this story on Eyewitness News. Watch for updates on air, online and on our mobile news app.
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