An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Date/Time: Wednesday, March 12, 2003, 12:00 – 1:00 PM
Location: U.S. Department of Transportation Headquarters (Nassif Building), Room 6200
Title: Practical Considerations in Selecting Statistical Disclosure Methodology for Tabular Data
Presenter: Rich Allen...
Date/Time: Wednesday, February 12, 2003, 12:00 – 1:00 PM
Location: U.S. Department of Transportation Headquarters (Nassif Building), Room 6200
Title: Overview of New Legislation Protecting Confidentiality of Statistical Information and Statistical Disclosure Limitation...
A report on methods for surveying home-based work.
Rolf R. Schmitt and Michael Rossetti
Representatives of the U.S. Department of Transportation to the Technical Committee on Industrial Classification, which was convened by the Office of Management and Budget to revise the SIC system.
(This paper was published in the Proceedings of...
The Bureau of Transportation Statistics (BTS) joined with the 13 other major Federal statistical agencies and organizational units in drafting a common approach to the OMB guidelines for information quality. The common approach, published as a notice in the Federal Register on June 4, 2002, has...
Return to the Bureau of Transportation Statistics' seasonally adjusted data homepage
For the most recent data and model used for seasonal adjustment, visit: https://data.bts.gov/Research-and-Statistics/Transportation-Services-Index-and-Seasonally-Adjus/bw6n-ddqk
...Because the principal purpose of the index is to reflect monthly shifts in transportation services output and analyze short-term trends, the variation introduced by normal seasonal changes must be removed from the data. Transportation is highly seasonal, and without...
Model information available for download: SeasonalAdjustmentModels_Documentation.xls
TSI data TSI data visualizations TSI methodology TSI data source information TSI FAQ TSI explainer video TSI terminology TSI statistical releases (monthly)