 The Sunbury Line contains the Delaware, Lackawanna and Western's well known Nicholson Cutoff railroad segment.The Tunkhannock Viaduct is one of the components of the Nicholson Cutoff/Sunbury Line.The Sunbury Line is a former Pennsylvania Railroad property connecting its core system with the other anthracite rail lines in and around Wilkes-Barre, Pennsylvania; the line's Pennsylvania Railroad trackage was once the Wilkes-Barre Branch.