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Non-Modal

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Models for seasonal adjustment of TSI data inputs

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)

Seasonally-Adjusted Transportation Data

List of the Bureau of Transportation Statistics' seasonally adjusted data series. Seasonal adjustment is the process of estimating and removing movement in a time series caused by regular seasonal variation in activity, e.g., an increase in air travel during summer months.

A Primer on Multifactor Productivity: Description, Benefits, and Uses

ANTHONY D. APOSTOLIDES, Ph.D. *

April 2008

INTRODUCTION

This primer presents a description of multifactor productivity (MFP) and its calculation. Productivity is an important measure of the state of the economy at various levels: firm, industry, sectoral, and the macroeconomic....

Transportation Services Index and the Economy-Revisited

In 2007 the Bureau of Transportation Statistics (BTS) published a report entitled: Transportation Services Index and the Economy, on the relationship of the freight portion of the Transportation Services Index (TSI) to the growth cycles in the U.S. economy. Since that time, BTS has re-engineered...

Transportation System Extent 1999

Transportation System Extent (1999 data unless otherwise noted)Highway Public Roads 46,567 miles of Interstate highway 113,983 miles of other National Highway System roads 3,771,462 miles of other roads Air Public-use airports 5,354 airports Airports serving large certificated carriers 29 large...

Transportation Satellite Accounts

The Transportation Satellite Accounts (TSAs) provide a comprehensive means for measuring the contribution of transportation services to the national economy.