Less than five percent of all registered vehicles nationwide are large trucks. Yet, more than 13 percent of all fatal crashes on U.S. roads involve at least one large commercial truck or bus. Semi-trucks tower over most other vehicles on the road. Most have a gross vehicle weight rating (GVWR) of between 14,000- 33,000 pounds. Even semi-trucks that aren't carrying loads demand more stopping time than a standard passenger vehicle due to their massive weight. At typical highway speeds of 65 miles per hour, the average-size vehicle can come ...
