The Hon. ERIC ROOZENDAAL: "I would be happy if speed cameras did not raise a cent;"
http://www.parliament.nsw.gov.au/Prod/parlment/hansart.nsf/V3Key/LC20070510017
Ex Roads Minister David Campbell,
"announced the
reintroduction of mobile speed cameras in March, as part of a $170 million road safety campaign. NSW budget papers for the 2010/2011 financial year estimated driving fines would rise by up to $137 million."
So the revenue raised by speed cameras was expected to rise by $137 million, but what happened
An article similar to this one, was in the Sunday Telegraph
http://www.dailytelegraph.com.au/drivers-wise-to-mobile-cameras/story-fn6bm6am-1226005039885
More police not more cameras
UPDATE;
I WAS WRONG MACQUARIE, CAN SEE A PROFIT IN SPEED CAMERAS
http://www.dailytelegraph.com.au/news/macbank-buys-up-speed-cameras-at-300m-through-buying-redflex/comments-e6freuy9-1226009566786