Tennessee participates in such interstate agreements as the Appalachian Regioanl Commission, Interstate Mining Compact Commission, Southeastern Forest Fire Protection Compact, Southern Regional Education Board, Southern Growth Policies Board, and the Southern States Energy Board. There are boundary accords with Arkansas, Kentucky, and Virginia, and an agreement with Alabama, Kentucky, and Mississippi governing development of the Tennessee-Tombigbee waterway.
Federal grants to Tennessee amounted to $7 billion in 2001.