| [  X  ] | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|-----------------------------|-----------------------------------------------------------------------------------------|

| [      ] | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|----------------------------------------|------------------------------------------------------------------------------------------|

|   | USA TRUCK, INC.                                        |   |
|--------|--------------------------------------------------------|--------|
|   | (Exact Name of Registrant as Specified in Its Charter) |   |

| Delaware                                                       |   | 71-0556971                           |
|----------------------------------------------------------------|--------|--------------------------------------|
| (State or other jurisdiction of incorporation or organization) |   | (I.R.S. employer identification no.) |
|                                                           |   |                                 |

| 3200 Industrial Park Road                |   |       |
|------------------------------------------|--------|------------|
| Van Buren, Arkansas                      |   | 72956      |
| (Address of principal executive offices) |   | (Zip code) |

|   |                                                                               | (479) 471-2500                                             |   |
|--------|------------------------------------------------------------------------------------|------------------------------------------------------------|--------|
|   |                                                                               | (Registrant’s telephone number, including area code) |   |
|   | Not applicable                                                                     |                                                       |   |
|   | (Former name, former address and former fiscal year, if changed since last report) |                                                       |   |

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| 3.1         |   | Restated and Amended Certificate of Incorporation of the Company (incorporated by reference to Exhibit 3.1 to the Company’s Registration Statement on Form S-1, Registration No. 33-45682, filed with the Securities and Exchange Commission on February 13, 1992 [the “Form S-1”]). |
|-------------|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 3.2         | #      | Bylaws of the Company as Amended and Restated on May 4, 2011.                                                                                                                                                                                                                                          |
| 3.3         |   | Certificate of Amendment to Certificate of Incorporation of the Company filed March 17, 1992 (incorporated by reference to Exhibit 3.3 to Amendment No. 1 to the Form S-1 filed with the Securities and Exchange Commission on March 19, 1992).                                                   |
| 3.4         |   | Certificate of Amendment to Certificate of Incorporation of the Company filed April 29, 1993 (incorporated by reference to Exhibit 5 to the Company’s Registration Statement on Form 8-A/A filed with the Securities and Exchange Commission on June 2, 1997 [the “Form 8-A/A”]).    |
| 3.5         |   | Certificate of Amendment to Certificate of Incorporation of the Company filed May 13, 1994 (incorporated by reference to Exhibit 6 to the Form 8-A/A).                                                                                                                                                 |
| 4.1         |   | Specimen certificate evidencing shares of the Common Stock, $.01 par value, of the Company (incorporated by reference to Exhibit 4.1 to the Form S-1).                                                                                                                                                 |
| 4.2         |   | Instruments with respect to long-term debt not exceeding 10.0% of the total assets of the Company have not been filed.  The Company agrees to furnish a copy of such instruments to the Securities and Exchange Commission upon request.                                                     |
| 10.1        | * #    | Amendment No. 1 to the Company’s 2004 Equity Incentive Plan.                                                                                                                                                                                                                                     |
| 31.1        | #      | Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.                                                                                                                                                                                                    |
| 31.2        | #      | Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.                                                                                                                                                                                                    |
| 32.1        | #      | Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.                                                                                                                                                                                                    |
| 32.2        | #      | Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.                                                                                                                                                                                                    |
| 101.INS     | **     | XBRL Instance Document.                                                                                                                                                                                                                                                                                |
| 101.SCH     | **     | XBRL Taxonomy Extension Schema Document.                                                                                                                                                                                                                                                               |
| 101.CAL     | **     | XBRL Taxonomy Extension Calculation Linkbase Document.                                                                                                                                                                                                                                                 |
| 101.DEF     | **     | XBRL Taxonomy Extension Definition Linkbase Document.                                                                                                                                                                                                                                                  |
| 101.LAB     | **     | XBRL Taxonomy Extension Label Linkbase Document.                                                                                                                                                                                                                                                       |
| 101.PRE     | **     | XBRL Taxonomy Extension Presentation Linkbase Document.                                                                                                                                                                                                                                                |
|        |   |                                                                                                                                                                                                                                                                                                   |
| References: |
| *           |   | Management contract or compensatory plan or arrangement.                                                                                                                                                                                                                                               |
| **          |   | In accordance with Regulation S-T, the XBRL-related information in Exhibit 101 to this Quarterly Report on Form 10-Q/A shall be deemed to be "furnished" and not "filed."                                                                                                                              |
| #           |   | Filed herewith.                                                                                                                                                                                                                                                                                        |

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|   | SIGNATURES |
|--------|------------|

|   |            |   |   | USA Truck, Inc.                       |
|--------|-----------------|--------|--------|---------------------------------------|
|   |            |   |   | (Registrant)                          |
|   |            |   |   |                                  |
|   |            |   |   |                                  |
| Date:  | August 26, 2011 |   | By:    | /s/ Clifton R. Beckham                |
|   |            |   |   | Clifton R. Beckham                    |
|   |            |   |   | President and Chief Executive Officer |
|   |            |   |   |                                  |
|   |            |   |   |                                  |
| Date:  | August 26, 2011 |   | By:    | /s/ Darron R. Ming                    |
|   |            |   |   | Darron R. Ming                        |
|   |            |   |   | Executive Vice President and Chief    |
|   |            |   |   | Financial Officer                     |