Post by LiveSteamer on May 7, 2007 23:18:12 GMT -5
A Class I railroad in the United States, or a Class I railway (also Class I rail carrier in Canada), is one of the largest freight railroads, as classified based on operating revenue. Smaller railroads are classified as Class II and Class III. The exact revenues required to be in each class have varied through the years, and they are now continuously adjusted for inflation