ROANOKE COUNTY, Va. – UPDATE
The wreck is now cleared.
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ORIGINAL STORY
A tractor-trailer wreck is causing a backup on I-81 in Roanoke County Thursday morning.
An entrance ramp are blocked at mile marker 143.5 by the I-581 interchange. All lanes are now open, but traffic is moving slowly and there is a long backup.
Travelers on southbound I-81 requiring access to I-581 will need to use Route 11 to Peters Creek Road or use Route 460 at exit 150 to return to I-581 or to get to downtown Roanoke.
The off-ramp from I-81 South to I-581 South is also closed. Drivers will need to use Route 11 to Peters Creek Road or other side roads for access back to I-81 at exit 141.
Drivers should expect major delays.