 The eastern terminus of the route is at the New York-Pennsylvania border in Shohola Township, where PA 434 crosses the Delaware River and enters New York, becoming New York State Route 55 at an intersection with New York State Route 97 in the town of Highland.State Route 434 used to be part of Pennsylvania Route 37 and Pennsylvania Route 137.Route 434 begins at an intersection with Route 739 and Pike County Quadrant Route 4004 in Lords Valley, a community in Blooming Grove Township.