UPDATE
This crash has been cleared.
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ORIGINAL STORY
Traffic is backed up for several miles after a crash on I-81N in Pulaski County, according to VDOT.
Authorities say the accident happened around mile marker 98.
As of 8 a.m., the northbound left lane, right shoulder and entrance ramp are closed and traffic is backed up for about 2.5 miles.
Stay with 10 News as this breaking news story developed.