Ignorance of the law will not likely be an adequate defense when involved in a liability suit. That’s the reason for the saying that “ignorance of the law is no excuse.” The illegality of some driving acts is apparent to most people such as violating the speed limit, running red lights, or passing a school bus while its lights are flashing. However, there are many ways that drivers can unknowingly commit negligent driving acts. If you get into an accident while doing any of these four examples of negligence, you could be.