FORM OF AMENDMENT TO STOCK OPTION AGREEMENT J.B. HUNT TRANSPORT SERVICES, INC. This Amendment is made this ____ day of ______________, 20 ___, (the "Amendment") by and between J.B. Hunt Transport Services, Inc. ("the Company") and...

                                                                  EXHIBIT 4.3.4


                                     FORM OF
                                  AMENDMENT TO
                             STOCK OPTION AGREEMENT
                       X.X. XXXX TRANSPORT SERVICES, INC.





       This Amendment is made this ____ day of ______________, 20 ___, (the
"Amendment") by and between X.X. Xxxx Transport Services, Inc. ("the Company")
and ________________________________ (the "Optionee") and amends that certain
Stock Option Agreement between the Company and the Optionee dated
_______________________, (the "Agreement").

       For good and valuable consideration, the receipt and sufficiency of which
are hereby acknowledged, Optionee and the Company amend the Agreement as follows
(check those which apply):

[ ]      The remaining unexercised portions of this Option shall be exercisable
         as follows:



[ ]      This Option shall terminate as follows:




All other terms and conditions of the Agreement continue in full force and
effect.

                                       X.X. XXXX TRANSPORT SERVICES, INC.

                                       By:
                                           ------------------------------

                                                              , Optionee
                                           -------------------