EXHIBIT 32.1


             SECTION 1350 CERTIFICATION OF CHIEF EXECUTIVE OFFICER



This certification is provided pursuant to Section 906 of the Sarbanes-Oxley Act
of  2002,  18 U.S.C. 1350, and accompanies the quarterly report on Form 10-Q for
the  quarter ended September 30, 2003 (the "Form 10-Q") of P.A.M. Transportation
Services, Inc. (the "Issuer").

I,  Robert  W.  Weaver,  President  and  Chief  Executive Officer of the Issuer,
certify that:

(i)     The  Form  10-Q fully complies with the requirements of Section 13(a) or
Section  15(d)  of  the  Securities  Exchange  Act  of 1934 (15 U.S.C. 78m(a) or
78o(d)); and

(ii)     The  information  contained  in  the  Form 10-Q fairly presents, in all
material  respects,  the  financial  condition  and results of operations of the
Issuer.



Dated:   October 30, 2003          By: /s/ Robert W. Weaver
                                   -----------------------------------------
                                   Robert W. Weaver
                                   President and Chief Executive Officer
                                   (chief executive officer)