New South Wales

http://sydneymotorways.com/about.html

Site provides information about each toll road in Sydney,including toll rates.

http://www.treasury.nsw.gov.au/wwg

Site includes state government guidelines and contract summaries for PPP projects under the NSW Projects tab.

http://www.parliament.nsw.gov.au/crosscitytunnel

Site provides documentation from the Parliamentary inquiry into the Cross City Tunnel (and the Lane Cove Tunnel), including reports of findings and government responses.