One lane of Interstate 81 North in Botetourt County will be closed Tuesday and Wednesday morning for survey work.

The lane closures will be from 5:30 a.m. to 10 a.m. each day between mile markers 168.7 and 169.7. This is near the Arcadia exit.

The left lane will be closed Tuesday morning and the right lane will be closed Wednesday morning.

The work is contingent on weather, according to the Virginia Department of Transportation.