http://www.smh.com.au/articles/2005/11/24/1132703316765.html?from=rss
Richard Macey
"The Roads and Traffic Authority confirmed yesterday it has installed technology that can monitor the average speed of cars as motorists cruise the state's highways. With the help of CSIRO computer scientists, it has spent $1.6 million upgrading its 'point-to-point' Safe-T-Cam system, used since the early 1990s to catch trucks breaking the road rules."