UPDATE: 5:05PM
State Police are giving the all-clear at mile marker 315 on Interstate 81 Saturday evening.
Traffic should be moving normally.
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According to Virginia 511, State Police are reporting an accident on Interstate 81 that is causing major delays for motorists Saturday.
The northbound right shoulder is closed between mile marker 311 and 315 and traffic is backed up for approximately three miles.
If you can avoid that area, it's strongly advised. Otherwise allow extra travel time.