The Census Bureau provides national estimates of revenues, expenses, and vehicle fleet inventories for commercial motor freight transportation and public warehousing service industries, in this annual publication. 1996 motor freight transportation increased to $173 billion, up 7 percent from 1995, and warehousing revenues increased $11 billion, up 5 percent from 1995.

Released in July 2002, this 431-page document prepared by the United States Bureau of Transportation Statistics contains almost every piece of aggregate data on transportation imaginable. While going through the entire document may be a challenge, the report is divided into more readily digestible sections such as Transportation System, Transportation Safety, and Transportation and the Economy....