Former NSW premier Nick Greiner is set to recommend a second Sydney airport be built at Badgerys Creek in a long-awaited infrastructure report.
Mr Greiner, who heads Infrastructure NSW (INSW), will reportedly call for the new site to be operational at Badgerys Creek within 20 years when the INSW report is released on Wednesday.
The report will support a recent joint state-federal study that recommended planning on the second airport start immediately and should be built by 2027, The Daily Telegraph reports.
The recommendation puts Mr Greiner on a collision course with NSW Premier Barry O'Farrell, who has ruled out another Sydney airport.
Mr O'Farrell has backed an upgrade of Canberra airport, which he has said could be linked to Sydney by a high-speed rail line.
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NSW was established last year to assist the state government in identifying and prioritising the delivery of critical public infrastructure for NSW.
