Photo - The Old State House - Photo by DelDot The Old State House (1792), is now a museum Route 9 Coastal Heritage Scenic Byway This Scenic Byway, runs in a north-south direction in a course that parallels the western shore of the Delaware River and Bay, winding past a succession of uniquely Delaware landscapes: heavily industrial sites, forests, tidal and non-tidal marshlands, areas of significant natural resources and wildlife habitat, historic towns and quaint villages.