P.A.M. Transportation Services, Inc. announced operating results for the second quarter and six months ended June 30, 2021. For the quarter, the company reported total miles were 46,464,000 compared to 43,916,000 a year ago. Total loads were 89,840 compared to 76,338 a year ago. For the six months, the company reported Total miles were 93,530,000 compared to 98,002,000 a year ago. Total loads were 179,937 compared to 173,351 a year ago.