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4 Series

4 Series

  • Federal Highway Administration
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Millions of Miles, Monthly
Not Seasonally Adjusted Jan 1970 to Mar 2023 (May 12)
Seasonally Adjusted Jan 2000 to Mar 2023 (May 12)
 
   
Millions of Miles, Monthly
Not Seasonally Adjusted Dec 1970 to Mar 2023 (May 12)
Seasonally Adjusted Dec 2000 to Mar 2023 (May 12)
 


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