The governments marketing campaign “Every K over is a killer” is just that, a very clever marketing campaign that reaps very healthy returns. On average, each state government generates between $120 – $150 Million dollars, per annum. Yes, speeding is Big Money.
https://www.news.com.au/national/victoria/secrecy-more-important-than-accuracy-in-speed-tests-traffic-cop-tells-court/story-fnii5sms-1227168655630?int_medium=outbrain&int_source=www.dailytelegraph.com.au&int_campaign=News&int_content=AR2