On Sunday, August 28, Canadian National Railway (CN) suspended all rail traffic on its lines south of McComb, Mississippi (lines owned by its subsidiary Illinois Central Railroad that extend into New Orleans), in anticipation of damage from the hurricane. To help ease the resumption of services after the storm passes, CN also issued an embargo with the Association of American Railroads against all deliveries to points south of Osyka, Mississippi. CSX Transportation also suspended service south of Montgomery, Alabama until further notice.