MONTGOMERY COUNTY, Va. – 10:30 a.m. UPDATE
The wreck is now cleared.
Hazmat crews are working to clean up spilled fuel on I-81 North after a tractor-trailer wreck Tuesday morning.
State police say a tractor-trailer had a mechanical failure that caused it to run off the highway, taking out about 230 ft. of guardrail.
It happened shortly before 6 a.m. at mile marker 122 in Montgomery County.
No one was hurt, and the driver will not be charged.
As of 10 a.m., there is a 3.5-mile backup. One northbound lane is closed.
There is no estimate for when the lane will reopen, but a wrecker has taken care of the truck.
A tractor-trailer wreck on I-81 North is causing a major backup in Montgomery County.
Expect delays near mile marker 121.
Only one lane is closed, but there is a 4-mile backup, as of 8:25 a.m.
Check back for updates.