BTS remains open except for the Office of Airline Information, which is closed and not accepting data submissions due to an appropriations lapse.
All BTS releases, except the Transportation Services Index, will be delayed.

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Research Papers

Research Papers

BTS Staff members often prepare highly technical and statistical research papers on a range of transportation topics for outside sources such as the Transportation Research Board, transportation and statistical journals, or for inclusion in books. For some papers, there is both a Research-at-a-Glance summary of the paper, as well as a link to the full research paper. BTS staff also prepare working papers on various transportation topics.

BTS Working Papers - The results reported in these papers are deemed preliminary and should be treated as such.

Updated: Saturday, May 20, 2017