Pittsburgh, PA – The Pennsylvania Department of Transportation (PennDOT) is announcing drilling work along Route 22 in Robinson Township, Washington County and North Fayette Township, Allegheny County will begin Monday, October 26 weather permitting. Drilling work requiring single-lane restrictions in both directions of Route 22 between Potato Garden Road in Allegheny County and the Candor Road overpass in Washington County will occur from 9:00 AM to 3:00 PM each day, as needed, through Friday, October 30.