The Alabama Great Southern Railroad (reporting mark AGS) is a railroad in the U.S. states of Alabama, Georgia, Louisiana, Mississippi, and Tennessee. It is an operating subsidiary of the Norfolk Southern Corporation (NS), running southwest from Chattanooga (where it connects with the similarly owned Cincinnati, New Orleans and Texas Pacific Railway) to New Orleans through Birmingham and Meridian. The AGS also owns about a 30% interest in the Kansas City Southern-controlled Meridian-Shreveport Meridian Speedway.