What part of the Cahill Expressway is nicknamed "The Coathanger"?
Cahill Expressway:  It then runs on an elevated section across the northern edge of the Sydney CBD at Circular Quay, and then across the Sydney Harbour Bridge to North Sydney. Sydney Harbour Bridge: The Sydney Harbour Bridge is a steel through arch bridge across Sydney Harbour that carries rail, vehicular, bicycle, and pedestrian traffic between the Sydney central business district (CBD) and the North Shore. Sydney Harbour Bridge:  The bridge is nicknamed "The Coathanger" because of its arch-based design.
The Sydney Harbour Bridge