Transportation

Sector Highlights

Sector Notebooks Air Transportation Industry Ground Transportation Industry - Trucking, Railroad and Pipeline Water Transportation Industry Transportation Equipment Cleaning Industry

Compliance Assistance Center Transportation Environmental Resource Center

Assistance and Inspections Publications

Clearinghouse National Compliance Assistance Clearinghouse

The transportation sector includes air, ground (non-automobile), water transportation and transportation cleaning equipment. The Department of Commerce formerly classified this industry under the 1987 Standard Industrial Classification code: 45 - air transportation, 40 - rail transportation, 42 - truck transportation and 44 - water transportation (no specific SIC code exists for a transportation equipment cleaning industry). The sector is now classified under the 1997 North American Industry Classification System as: 481 - air transportation, 482, 485 - rail transportation, 484 - truck transportation and 483 - water transportation.