Second Harbour Crossing (disambiguation)

Second Harbour Crossing may refer to:

• Second Harbour Crossing, Auckland, the proposed second transport link over the Waitemata Harbour in Auckland, New Zealand.
• Upper Harbour Bridge, an existing twin motorway bridge over the Waitemata Harbour in Auckland, New Zealand.
• The Twin Sails Bridge, a proposed double-leaved bascule bridge in Poole, Dorset, England.
• The Sydney Harbour Tunnel, an existing twin-tube road tunnel crossing of Sydney Harbour in New South Wales, Australia.
• A proposed extension of the WestConnex motorway over the Sydney Harbour in New South Wales, Australia.
• A proposed extension of the North West Rail Link over the Sydney Harbour in New South Wales, Australia.