Average Freight Revenue per Ton-Mile Indexes
Figure with latest data available at link listed beneath the figure.
Figure

Description:
Figure with latest data available at:
https://data.bts.gov/stories/s/wj8z-p9dd/
Note:
Truck and oil pipeline data not available in all years. Producer price index is for total finished goods. Shaded areas indicate economic recessions.
Source:
U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics, table 3-21, available at www.bts.gov.