Fortune 500 company headquartered in Norfolk, Virginia. The modern railroad transports bituminous coal, intermodal shipping containers, automobile parts and completed vehicles, and other commodities in the 21st century global transportation markets. Mahone's trackbed through the Great Dismal Swamp, the tangent, and much of the rest of the AM&O route are still in service. References Books Websites Mahones of Virginia: The Mahone Family Heritage official site, Library of Virginia, William Mahone page Defunct Virginia railroads Predecessors of the Norfolk and Western Railway Railway companies established in 1870 Railway companies disestablished in 1881 American companies disestablished in 1881 American companies established in 1870