Book excerpt: TheMaritime Trade and Transportation report is a cooperative effort of the members of the Maritime Data Group sponsored by the Bureau of Transportation Statistics of the Research and Innovative Technology Administration. Group members include the Bureau of Transporta- tion Statistics, Committee on the Marine Transportation System, Federal Maritime Commission, Maritime Administration, Saint Lawrence Seaway Development Corporation, Transportation Security Administration, U.S. Army Corps of Engineers, U.S. Coast Guard, and U.S. Department of Agriculture.