ROANOKE, Va. – UPDATE:
VDOT said the crash has been cleared.
A tractor-trailer crash at mile marker 139 on I-81 is causing delays for northbound traffic, according to VDOT.
VDOT said that motorists can expect delays and that the north right shoulder is closed.
As of 2:38 p.m., traffic was backed up for about 9 miles, VDOT said.
10 News will update this article once the crash is cleared.