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transportation services index

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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)

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...