Trucking accident on the highway are a common, and frightening occurance. The shear mass of a big rig or semi tractor trailor, combined with highway speed can cause unbelievable damage. A normal passenger vehicle has no chance against a twenty thousand pound truck. The accidents often result in critical injuries or even death. Unfortunately, one of the main casues of truck accident stems from truck drivers trying to get in more hours, and losing their focus after driving for long periods of time.