The Cronulla railway line is owned by a corporation with a portfolio of how many billions of railway property?
Cronulla railway line: The Cronulla railway line is a suburban branch line serving the southern suburbs of Sydney, New South Wales, Australia. RailCorp:  From 2004 until 2013, RailCorp operated passenger train services in New South Wales and maintained rail infrastructure within the New South Wales Metropolitan Rail Area.
i don't know