United States securities and exchange commission logo December 11, 2020 Zachary King Chief Financial Officer USA Truck, Inc. 3200 Industrial Park Road Van Buren, AR 72956 Re: USA Truck, Inc. Form 10-K for the Fiscal Year Ended December 31, 2019 Form 8-K filed October 29, 2020 File No. 001-35740 Dear Mr. King: We have limited our review of your filing to the financial statements and related disclosures and have the following comment. In our comment, we may ask you to provide us with information so we may better understand your disclosure. Please respond to this comment within ten business days by providing the requested information or advise us as soon as possible when you will respond. If you do not believe our comment applies to your facts and circumstances, please tell us why in your response. After reviewing your response to this comment, we may have additional comments. Form 8-K filed October 29, 2020 Exhibit 99.1 GAAP to Non-GAAP Reconciliations, page 8 1. We note you present EBITDAR and Adjusted EBITDAR as non-GAAP measures used by management as key measures of performance and liquidity. We also note these measures exclude equipment rent expense, which appears to be a normal, recurring cash operating expense necessary to operate your business. Please tell us how you considered question 100.01 of the Non-GAAP Compliance and Disclosure Interpretations when presenting these measures. In closing, we remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Zachary King USA Truck, Inc. December 11, 2020 Page 2 You may contact Brian McAllister at (202) 551-3341 or Myra Moosariparambil at (202) 551-3796 with any questions. FirstName LastNameZachary King Sincerely, Comapany NameUSA Truck, Inc. Division of Corporation Finance December 11, 2020 Page 2 Office of Energy & Transportation FirstName LastName