According the latest Economic Census (2002), the trucking industry is the largest contributor of revenue in the transportation sector, contributing more than one-quarter of the sectors revenue. The air industry contributes just under one-quarter, as does other transportation and support activities, which include sightseeing, couriers and messengers, towing services, port and airport operations, and other support activities.
Transportation Sector Revenue by Industry, 2002 Economic Census
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Supporting Information
| Industry | Billion Dollars | Share of Total |
|---|---|---|
| Truck | 91.4 | 27.8% |
| Air | 80.0 | 24.3% |
| Other Transportation & Support Activities | 75.5 | 22.9% |
| Warehousing & Storage | 26.1 | 7.9% |
| Rail | 26.0 | 7.9% |
| Transit & Ground Passenger Transportation | 14.4 | 4.4% |
| Pipeline | 10.4 | 3.2% |
| Water | 5.3 | 1.6% |
| Total | 329.1 | 100.0% |
Source: National Academy of Sciences, Technologies and Approaches to Reducing the Fuel Consumption of Medium and Heavy-Duty Vehicles, prepublication copy, March 2010, p. 1-8. | ||