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BTS Working Papers

BTS Working Papers

The following is a complete list of BTS working papers. Copies of working papers can be obtained by e-mailing the designated contact person for that paper, or the BTS Information service at

NOTE: The views presented in these working papers are those of the authors and not necessarily the views of the U.S. Department of Transportation, Bureau of Transportation Statistics.  The results reported in these papers are deemed preliminary and should be treated as such.

Number Title Author(s) Publication Date
2004-002-OAS Improvements in BTS Estimation of Ton-Miles Scott M. Dennis August 2004
2004-001-OAS Travel Patterns of Older Americans with Disabilities Meg Sweeney July 2004
Updated: Saturday, May 20, 2017