U.S. Federal Route 30 runs east-west across Southern Beaver County. It runs from the Pennsylvania/West Virginia State Line, near Chester, WV, to the Beaver/Alleghany County Line, near Clinton. U.S. Rt. 30 passes through the following town in Beaver County. Harshaville U.S. Rt. 30 is not multi-plexed in Beaver County. U.S. Rt. 30 intersects the following highways in Beaver County. Pennsylvania State Route 168, near Hookstown. Pennsylvania State Route 151, near Hookstown. Pennsylvania State Route 18, at Harshaville.