text: Route 11 (US-11), US-29, US-31, US-43, US-45, US-72, US-78, US-80, US-82, US-84, US-90, US-98, US-231, US-278, US-280, US-331, US-411, and US-431.There are four toll roads in the state: Montgomery Expressway in Montgomery; Northport/Tuscaloosa Western Bypass in Tuscaloosa and Northport; Emerald Mountain Expressway in Wetumpka; and Beach Express in Orange Beach.Ports The Port of Mobile, Alabama's only saltwater port, is a large seaport on the Gulf of Mexico with inland waterway access to the Midwest by way of the Tennessee–Tombigbee Waterway.The Port of Mobile was ranked 12th by tons of traffic in the United States during 2009.The newly expanded container terminal at the Port of Mobile was ranked as the 25th busiest for container traffic in the nation during 2011.The state's other ports are on rivers with access to the Gulf of Mexico.Water ports of Alabama, listed from north to south: See also Index of Alabama-related articles Outline of Alabama — organized list of topics about Alabama USS Alabama, 7 ships Notes Subnotes Other notes References Further reading Atkins, Leah Rawls, Wayne Flynt, William Warren Rogers, and David Ward.Alabama: The History of a Deep South State (1994).Flynt, Wayne.Alabama in the Twentieth Century (2004).Owen Thomas M.History of Alabama and Dictionary of Alabama Biography (4 vols, 1921).Jackson, Harvey H.Inside Alabama: A Personal History of My State (2004).Mohl, Raymond A."Latinization in the Heart of Dixie: Hispanics in Late-twentieth-century Alabama" Alabama Review (2002, 55(4): 243–274).Peirce, Neal R.The Deep South States of America: People, Politics, and Power in the Seven Deep South States (1974).Williams, Benjamin Buford.A Literary History of Alabama: The Nineteenth Century (1979).WPA Guide to Alabama (1939).