Commencing in Washington, and running by way of Monongahela City to a point on the dividing line between Washington and Allegheny Counties; thence to a point on the dividing line between Allegheny and Westmoreland Counties; thence by way of West Newton to Ruffsdale; thence over route one hundred and seventeen into Greensburg, Westmoreland County.
36 P.S. § 1153