While STC never advocates speeding, we found a recent report by traffictickets.com on the penalties associated with speeding interesting. According to TrafficTickets.com the top 10 for highest potential fines for a first speeding offense over 15 mph are (in order) Illinois, Arizona, Colorado, Nevada, Iowa, Connecticut, Maryland, California, Hawaii, and Utah. The fines in Illinois and Arizona max out at $2,500.