Incident on I-81N in Montgomery Co. cleared

UPDATE

This incident has been cleared, according to VDOT.

ORIGINAL STORY

Drivers heading north on Interstate 81 in Montgomery Co. can expect delays due to an incident, according to VDOT.

Authorities said the incident happened at mile marker 113.9.

As of 4:29 p.m., all north lanes are closed, and traffic backups are approximately 4 miles.