Cranes are appearing in greater numbers on building sites in Australia's major cities as demand for high-rise residential projects increases.

A new report shows a significant uptick in the number of cranes active in Australia’s major cities, attesting to the improving health of the construction sector. The Rider Levett Bucknall (RLB) Crane Index indicates that 427 cranes were sighted in the second quarter of 2015, as compared to 324 in…