Speed Cameras are part of the Vision Zero Safety Initiative and are already used in Portland. They will no doubt be installed at some point in Eugene/Springfield. Although functioning as a revenue generating mechanism they can create more problems than they solve and seem to be an extension of our surveillance state. By the time people get their ticket, they forget the details of their supposed transgression, making it difficult to argue in court.   I think we should all be concerned. There are many informative articles regarding Spy Roads on this site: http://www.oilempire.us/spyroads.html
Civil Liberties and Transportation Surveillance
Maryland's highway surveillance system
Britain's auto Panopticon
Britain will be first country to monitor every car journey
Hummers should pay more than hybrids: GPS to track all cars, all the time, under the guise of a "mileage tax"
Geoslavery: GPS and technological tyranny
Data Mining and Surveillance