In 2007 the Bureau of Transportation Statistics (BTS), the statistical agency of the U.S. Department of Transportation, 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 the TSI to improve processing of the monthly data and to improve the methodology and data sources used in the calculation of the index. This report provides details on the updated methodology and data, along with the resultant changes in the turning points of the TSI due to these improvements.


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    Title :

    Transportation Services Index and the Economy: Revisited


    Contributors:
    P. Young (author) / K. Notis (author) / T. Firestine (author)

    Publication date :

    2014


    Size :

    14 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Transportation Services Index and the Economy

    P. Young / K. Notis / G. Feuerberg et al. | NTIS | 2007



    True transportation economy

    Lafferty, R.C. | Engineering Index Backfile | 1930