Today the CSX is one of seven remaining [[Class I Railroad|Class I freight railroads]] in the United States and Canada, along with [[Norfolk Southern]], [[Burlington Northern Santa Fe]], [[Kansas City Southern]], [[Union Pacific]], [[Canadian National Railway]], and [[Canadian Pacific Railway]]. Most of the other well known railroad lines have merged into one of these seven remaining Class I lines. | Today the CSX is one of seven remaining [[Class I Railroad|Class I freight railroads]] in the United States and Canada, along with [[Norfolk Southern]], [[Burlington Northern Santa Fe]], [[Kansas City Southern]], [[Union Pacific]], [[Canadian National Railway]], and [[Canadian Pacific Railway]]. Most of the other well known railroad lines have merged into one of these seven remaining Class I lines. |