EXHIBIT 32.2


              SECTION 1350 CERTIFICATION OF CHIEF FINANCIAL OFFICER


In  connection with the Quarterly Report of P.A.M. Transportation Services, Inc.
(the "Company") on Form 10-Q  for  the  period  ending  March 31, 2005, (the
"Report")  filed  with  the  Securities  and  Exchange  Commission,  I, Larry J.
Goddard,  Vice  President-Finance,  Chief  Financial  Officer,  Secretary  and
Treasurer  of  the  Company,  certify,  pursuant  to  18 U.S.C. Section 1350, as
adopted  pursuant  to Section 906 of the Sarbanes-Oxley Act of 2002, that to the
best of my knowledge:

(1)  The  Report  fully complies with the requirements of section 13(a) or 15(d)
     of the Securities Exchange Act of 1934; and

(2)  The  information  contained  in the Report fairly presents, in all material
     respects, the financial condition and results of operations of the Company.


Date:  May 5, 2005

                                   By:  /s/ Larry J. Goddard
                                   -----------------------------------------
                                   Larry J. Goddard
                                   Vice President-Finance, Chief Financial
                                   Officer, Secretary and Treasurer
                                   (chief accounting and financial officer)