POWER OF ATTORNEY

     Know  all  by  these  presents, that the undersigned hereby constitutes and
appoints  each  of  C. Douglas Buford, Jr., Courtney C. Crouch, III, and Cory D.
Childs  signing  singly,  the undersigned's true and lawful attorney-in-fact to:

(1)  prepare,  execute  in  the  undersigned's  name  and  on  the undersigned's
     behalf,  and  submit  to  the  U.S. Securities and Exchange Commission (the
     "SEC")  a  Form  ID,  including amendments thereto, and any other documents
     necessary  or  appropriate  to  obtain  codes  and  passwords  enabling the
     undersigned  to make electronic filings with the SEC of reports required by
     Section  16(a)  of  the  Securities  Exchange  Act  of  1934 or any rule or
     regulation  of  the  SEC;

(2)  execute  for  and  on  behalf  of  the  undersigned,  in  the undersigned's
     capacity  as  an officer and/or director of P.A.M. Transportation Services,
     Inc.  (the  "Company"), Forms 3, 4, and 5 (including amendments thereto) in
     accordance  with  Section  16(a) of the Securities Exchange Act of 1934 and
     the rules thereunder, and any other forms on reports the undersigned may be
     required  to  file  in  connection  with  the  undersigned's  ownership,
     acquisition,  or  disposition  of  securities  of  the  Company;

(3)  do  and perform any and all acts for and on behalf of the undersigned which
     may  be  necessary or desirable to complete and execute any such Form 3, 4,
     or  5  (including  amendments thereto), or other form or report, and timely
     file  such  form  or  report with the SEC and any stock exchange or similar
     authority;  and

(4)  take  any  other  action  of  any  type  whatsoever  in connection with the
     foregoing which, in the opinion of such attorney-in-fact, may be of benefit
     to,  in  the best interest of , or legally required by, the undersigned, it
     being  understood  that  the documents executed by such attorney-in-fact on
     behalf  of  the  undersigned pursuant to this Power of Attorney shall be in
     such  form  and  shall  contain  such  terms  and  conditions  as  such
     attorney-in-fact  may  approve  in  such  attorney-in-fact's  discretion.

     The  undersigned hereby grants to each such attorney-in-fact full power and
authority  to  do  and perform any and every act and thing whatsoever requisite,
necessary,  or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could  do  if personally present, with full power of substitution or revocation,
hereby  ratifying  and  confirming  all  that  such  attorney-in-fact,  or  such
attorney-in-fact's  substitute  or substitutes, shall lawfully do or cause to be
done  by  virtue  of  the  power  of  attorney  and the rights and powers herein
granted.  The  undersigned acknowledges that the foregoing attorneys-in-fact, in
serving  in  such  capacity at the request of the undersigned, are not assuming,
nor is the Company assuming, any of the undersigned's responsibilities to comply
with  Section  16  of  the  Securities  Exchange  Act  of  1934.

     This  Power  of  Attorney  shall  remain in full force and effect until the
undersigned  is  no longer required to file Forms 3, 4, or 5 with respect to the
undersigned's  holdings of and transactions in securities issued by the Company,
unless  earlier  revoked by the undersigned in a signed writing delivered to the
foregoing  attorneys-in-fact.

          IN  WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to  be  executed  as  of  this  12th  day  of  January,  2011.

                                              /s/ Lance Stewart
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                                                 Signature

                                               Lance Stewart
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                                                 Printed Name