Interaction Data:

• 1992 CENSUS OF TRANSPORTATION, COMMUNICATIONS, AND UTILITIES PURPOSE: To provide periodic and comprehensive data about transportation, communications, and utilities establishments and their activities. The United States Code, Title 13, authorizes this census and provides for mandatory responses.
  COVERAGE: Domestic establishments that provide passenger and freight transportation; communication services; and electricity, gas, steam, water, and sanitary services to the general public or other businesses.

• COMMODITY FLOW SURVEY PURPOSE The 1997 Commodity Flow Survey (CFS) is undertaken through a partnership between the Bureau of the Census, U.S. Department of Commerce, and the Bureau of Transportation Statistics, U.S. Department of Transportation. This survey produces data on the movement of goods in the United States. The data from the CFS are used by public policy analysts and for transportation planning and decision-making to assess the demand for transportation facilities and services, energy use, and safety risk and environmental concerns.

• TRANSPORTATION ANNUAL SURVEY PURPOSE To provide national estimates of revenue, expenses, and vehicle fleet inventories for commercial motor freight transportation and public warehousing service industries. The United States Code, Title 13, authorizes this survey and provides for mandatory responses.

  Companies with employment that provide commercial motor freight transportation and public warehousing services (SIC 42). In 1991, the survey size was nearly doubled to provide more industry detail. In 1994, over 110,000 covered employer establishments had an estimated combined operating revenue of nearly $168 billion.

• VEHICLE INVENTORY AND USE SURVEY (VIUS) [Formerly known as the Truck Inventory and Use Survey (TIUS) - The survey name was changed to account for areas of future expansion, including the addition of automobiles and buses.] PURPOSE: To measure the physical and operational characteristics of the Nation's truck population. The United States Code, Title 13, authorizes this survey and provides for mandatory responses.
  COVERAGE: Private and commercial trucks registered (or licensed) in the United States as of July 1 of the survey year.

Clippings:

• Is it a small world? Theory put to e-mail test Seattle PI, Thursday, January 24, 2002, By SHELLEY EMLING COX NEWS SERVICE In the 1960s, social psychologist Stanley Milgram claimed that anyone on the planet could be linked to anyone else by a chain of only six other people -- the famous "six degrees of separation." Milgram's theory has never been put to the test -- until now. The "Small World Research Project" at Columbia University is asking ...

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  2002 [econgeog@u.washington.edu]