https://hackaday.com/2014/04/04/sql-injection-fools-speed-traps-and-clears-your-record/ https://hackaday.com/2014/04/04/sql-injection-fools-speed-tr... Another

https://hackaday.com/2014/04/04/sql-injection-fools-speed-traps-and-clears-your-record/ https://hackaday.com/2014/04/04/sql-injection-fools-speed-tr... Another picture (which I can't seem to find now) purportedly showed how one of the screens over the highway was displaying just an error message after triggering this exploit.