Pennsylvania Statutes Title 36 P.S. Highways and Bridges § 1512. Route 538. From Route 257 between Moon Run and North Star to West Virginia line

Beginning at a point on State Highway Route Number Two Hundred and Fifty-seven  1 Between Moon Run and North Star in Allegheny County; and thence running northwesterly in the direction of Imperial and Clinton to a point on the dividing line between Allegheny and Beaver Counties; and thence continuing northwesterly in the direction of Harshaville to a point on State Highway Route Number Two Hundred and Seventy-eight  2 in the vicinity of Laughlin's Corners; and thence continuing westerly or northwesterly to a point on the dividing-line between the State of Pennsylvania and the State of West Virginia.