Understanding the ATA Trucking Tonnage Index
3PL Insights
SEPTEMBER 20, 2021
The seasonally adjusted data is a more accurate depiction of the trends because it factors out seasonal dips and peaks unrelated to economic activity. This process allows analysts to map clear trend lines of tonnage growth or loss over time. In April of 2020, we saw the index dip down to its lowest figure since 2017.
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