NJ 39:4–98 Exceeding maximum speed 15-29 mph over limit is a traffic law governed and enforced by New Jersey State Law. Speed limits are in place to keep everyone safe, surpassing these limits results in penalties that vary depending on how much you exceed the speed limit. The penalties and points from this kind of ticket can range from $106 and 4 points on your license to $240+ and up to 5 points on your license!