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Exhibit 4.10

                   EIGHTH AMENDED AND RESTATED REVOLVING NOTE

$ 35,000,000                                                   October 28, 1999

     FOR VALUE RECEIVED, USA TRUCK, INC., a corporation organized and existing
under the laws of the State of Delaware ("Borrower"), hereby promises to pay to
the order of FIRST AMERICAN NATIONAL BANK, operating as DEPOSIT GUARANTY
NATIONAL BANK ("Lender") the principal sum of THIRTY-FIVE MILLION AND NO/100
DOLLARS ($35,000,000.00) or, if less, the outstanding aggregate principal amount
of all Revolving Loans (as defined in the Revolving Credit Agreement referred to
below) made by Lender to Borrower, on the Revolving Loan Commitment Termination
Date (as defined in the Revolving Credit Agreement), and to pay interest on the
unpaid principal balance of each Revolving Loan from the date of such Revolving
Loan until said principal amount is paid in full, at the times and at the rate
or rates specified in the Revolving Credit Agreement. During the term of this
Revolving Note the Borrower may borrow, repay and reborrow hereunder.

     This Note shall be deemed to be a contract made under the law of the State
of Mississippi and for all purposes shall be governed by and construed in
accordance with the laws of the State of Mississippi.

     Borrower expressly waives any presentment, demand, protest or notice of any
kind in connection with this Note, now or hereafter, required by applicable law.

     Borrower agrees to pay and save Lender harmless from and against liability
for payment of all expenses (including, but not limited to, attorneys' fees and
costs) arising in connection with the enforcement by Lender of its rights under
this Note.

     Payments of principal and interest are to be made in immediately available
funds to, First American National Bank, operating as Deposit Guaranty National
Bank, at its main office in Jackson, Mississippi, in lawful money of the United
States of America.

     This Note is the Revolving Note issued pursuant to that certain Fourth
Amended and Restated Revolving Credit Agreement dated as of December 30, 1992,
as amended July 21, 1993, December 13, 1993, December 22, 1994, December 28,
1995, December 30, 1996, December 30, 1997, October 30, 1998, and of even date
herewith, between Borrower and Lender (as amended, modified and restated from
time to time, the "Revolving Credit Agreement") and is entitled to the benefits
and subject to the terms thereof. This Note constitutes an amendment, extension
and restatement of that certain Fourth Amended and Restated Revolving Note from
Borrower to Lender dated December 30, 1992 in the original stated principal
amount of $12,000,000. This Note is subject to prepayment on the terms and in
the manner set forth in the Revolving Credit Agreement, and this Note may be
declared due and payable prior to its date of maturity in accordance with the
terms thereof. The Revolving Credit Agreement also provides for the making by
Lender to Borrower of revolving loan advance from time to time in ail amount:
not to exceed the U. S. Dollar amount above written and contains provisions for
the acceleration of the maturity hereof upon the terms and conditions therein
specified. This Note is subject to conversion to a term note in accordance with
the terms and provisions of the Revolving Credit Agreement.

     "Business Day" shall mean any day other than a Saturday, Sunday or other
day an which banking institutions in the State of Mississippi are authorized to
close.

                                       USA TRUCK, INC.,  a Delaware Corporation

                                       By: /s/ Jerry D. Orler
                                           -------------------------------------
                                       Title CFO & Secretary
                                             -----------------------------------

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Exhibit 4.11

                 NINTH AMENDMENT TO FOURTH AMENDED AND RESTATED

                           REVOLVING CREDIT AGREEMENT

     THIS NINTH AMENDMENT TO FOURTH AMENDED AND RESTATED REVOLVING CREDIT
AGREEMENT (this "Agreement") is made and entered into as of the 15th day of
December 1999, by and between USA TRUCK, INC., a Delaware corporation (the
"Borrower"), and FIRST AMERICAN NATIONAL BANK, operating as DEPOSIT GUARANTY
NATIONAL BANK, a national banking association (the "Lender").

     WHEREAS, pursuant to that certain Fourth Amended and Restated Revolving
Credit Agreement, dated December 30, 1992, as amended July 21, 1993, December
12, 1993, December 22, 1994, and December 28, 1995, December 30, 1996, December
30, 1997, October 30, 1998 and October 28, 1999 (as further amended, modified
and supplemented from time to time, the "Credit Agreement"), between Borrower
and Lender, Borrower and Lender entered into certain agreements regarding
certain indebtedness and obligations of Borrower to Lender;

     WHEREAS, Borrower has requested, and Lender has agreed to increase the
Revolving Loan Commitment from $35,000,000 to $40,000,000 in accordance with the
terms hereof, and

     WHEREAS, Borrower and Lender desire to amend the Credit Agreement in
accordance with the terms hereof;

     NOW, THEREFORE, in consideration of the premises, the mutual covenants
herein contained, and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, Borrower and Lender hereby agree
as follows:

     1. Defined Terms. All capitalized terms used and not otherwise defined
herein (including, without limitation, in the language amendatory to the Credit
Agreement contained herein) shall have the respective meanings given such terms
in the Credit Agreement.

     2. Amendment to Section 1 of the Credit Agreement. The second paragraph of
subsection 1(i) of the Credit Agreement is hereby amended, in its entirety, to
read as follows:

             "The Revolving Note shall (a) be dated the date of the Ninth
        Amendment to this Credit Agreement, (b) be payable to the order of
        Lender, (c) be in the stated principal amount equal to the Revolving
        Loan Commitment, (d) be payable on the Revolving Loan Commitment
        Termination Date, (e) bear interest with respect to the principal amount
        from time to time outstanding at the rate per annum specified in
        subsection 1(iii) hereof, and (f) be substantially in the form of
        Exhibit A hereto, with blanks completed in conformity herewith."

     3. Amendment to Section 9 of the Credit Agreement. Section 4C of the Credit
Agreement is hereby amended, in its entirety, to read as follows:

         Tangible Net Worth. Permit Tangible Net. Worth of Borrower and its
         Subsidiaries (i) to be less than $45,000,000, and (ii) at the end of
         each fiscal quarter thereafter, be less than the sum of (y) 50% of net
         profits after taxes for such fiscal quarter determined in accordance
         with GAAP, plus (z) the minimum amount of Tangible Net Worth for the
         immediately preceding fiscal quarter as determined pursuant to this
         Section 4C. For purposes of calculation hereof, the Tangible Net Worth
         requirement set forth in this Section 4C shall not be reduced because
         of the failure of Borrower to have net profits for any fiscal quarter.

     4. Amendment to Section 9 of the Credit Agreement. The defined term
"Revolving Loan Commitment" is hereby amended, in its entirety, to read as
follows:

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        "'Revolving Loan Commitment' means $40,000,000 at all times during the
     term of this Agreement."

     5. Representations and Warranties. In order to induce Lender to enter into
this Ninth Amendment, the Borrower represents and warrants to Lender as follows:

     A.   All the representations and warranties contained in Section 6 of the
          Credit Agreement, except to the extent they specifically relate to an
          earlier date, are true and correct on and as of the date of this
          Agreement and on the date of execution of this Agreement, as fully as
          if made on each of such dates; and immediately on and after the
          execution of this Agreement, the Borrower shall be in compliance with
          all the terms and provisions set forth in the Credit Agreement, as
          amended by this Agreement, on its part to be observed or performed and
          no Event of Default specified in Section 5 of the Credit Agreement, as
          amended hereby, or any event that upon notice or lapse of time or both
          would constitute such an Event of Default, has occurred and is
          continuing.

     B.   The execution, delivery and performance of this Agreement and the
          Revolving Note (i) have been duly authorized by all requisite
          corporate action, and (ii) will not violate any provision of law, any
          order of any court or other agency of government, the articles of
          incorporation or bylaws of the Borrower, or any indenture, agreement
          or other instrument to which the Borrower is a party or by which the
          Borrower or any of its properties or assets are bound, or be in
          conflict with, or result in a breach of or constitute (with due notice
          or lapse of time or both) a default under, any such indenture,
          agreement or other instrument, or result in the creation or imposition
          of any lien, charge or encumbrance of any nature whatsoever upon any
          of the properties or assets of the Borrower. Borrower shall deliver to
          Lender concurrently with the execution of this Agreement a Corporate
          Certificate substantially in the form of Exhibit "G" attached hereto.

     C.   Except as is expressly modified and amended hereby, the Credit
          Agreement shall remain in full force and effect in accordance with its
          terms.

     IN WITNESS WHEREOF, the Borrower and Lender have caused this Agreement to
be duly executed and delivered by their authorized representatives, as of the
day and year first above written, but in each case actually on the date
appearing beneath the signature of each party hereto.

                                       USA TRUCK, INC.

                                       By: /s/ Jerry D. Orler
                                           -------------------------------------
                                       Title: CFO and Secretary
                                              ----------------------------------
                                       Execution Date: 12-15-99
                                                       -------------------------

                                       FIRST AMERICAN NATIONAL BANK,
                                       operating as
                                       DEPOSIT GUARANTY NATIONAL BANK

                                       By: /s/ Ron Hendrix
                                           -------------------------------------
                                       Title: SVP
                                              ----------------------------------
                                       Execution Date: 12-16-99
                                                       -------------------------

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