NSW has accelerated its infrastructure spending boom, as windfall tax receipts from a housing price surge has enabled the state to bring forward an extra $590 million in funding to fast track delivery of big ticket projects.

Unveiling an underlying projected fiscal surplus of $712.6 million in 2015/16, rising to $895 million in 2018/19, NSW Treasurer Gladys Berejiklian said the state had its fiscal situation under control and was now pursuing a rebuilding phase. “This Budget delivers on our election commitments, maintains our triple-A credit rating and…