Alderman trying to reverse new $35 fine for speeding 6 mph over posted limits Alderman trying to reverse new $35 fine for speeding 6 mph over posted limits As of Monday, the speed cameras across the city are programmed to ticket drivers for going as little as six miles per hour over the posted limits. The fine is $35. CHICAGO - New, strict rules for Chicago speed cameras are now in effect. However, some critics say Mayor Lori Lightfoot needs to hit the brakes. As of Monday, the speed cameras across the city are programmed to ticket drivers for going as little as six miles per hour over the posted limits. The fine is $35.