The on-board computers in most large commercial trucks operating in Texas contain information like hours of service, average speeds, top speeds and hard stops of 18-wheelers. Because truck drivers are held to a higher standard in the eyes of the law, what is required between state and federal truck driver laws can be compared to the data stored on a trucks on-board computer, or black box as it is commonly called. If for instance a truck driver’s on-board computer reports that he or she had been driving their big rig for longer than the mandated hours of service laws, this would prove negligence in your truck accident case.  Read more about the data stored on a commercial truck’s on-board computer and why it is important to access it ASAP in this article.