Soaring like an albatross above Sydney Harbour comes the latest public transport plan for the city: a cable car teetering between Pyrmont and Barangaroo.

Imagine cabins carrying passengers over the waves, from casino to casino, air sickness bags included. Morning commutes measured in knots. Pigeons fleeing in fear. The Monorail is dead. Long live the Cable Car.

The cable car would provide a new link between Barangaroo and Pyrmont. Credit:Colin Hamilton

The flight of fancy was proposed by the Sydney Business Chamber at high-profile talks on connecting western harbour to the CBD. "Sydney needs to think outside the square if it is going to manage growth," executive director Patricia Forsythe said. "It is a little bit out of left field."

The aerial tramway might trundle over the harbour from near the National Maritime Museum to Barangaroo, she said, flying by forlorn Monorail stations on the way. "Pyrmont Bridge is basically at capacity because we have so many more cyclists, we do need to look at some other options," she said, before becoming slightly skittish about the idea. "I don't want to be [the cable car's] great champion...We were just floating it out there."