Investigation is extremely important in all cases, but even more so in truck cases. Drivers must keep a log and by law may only drive a certain number of hours per day. So, it is important to establish whether the driver properly kept the log and whether the driver had not exceeded the allotted hours of driving time when the accident occurred. Violation of these standards may impose additional liability on the truck. They can be difficult to discover if you do not have a Chattanooga truck accident lawyer investigate immediately.