Exhibit No. 32.2





                                CERTIFICATION OF
                             CHIEF FINANCIAL OFFICER
                       PURSUANT TO 18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


     I, John P. Cosaert, certify, pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the  Sarbanes-Oxley  Act of 2002,  that the Quarterly
Report of Heartland  Express,  Inc.,  on Form 10-Q for the period ended June 30,
2009 fully  complies  with the  requirements  of  Section  13(a) or 15(d) of the
Securities Exchange Act of 1934, as amended,  and that information  contained in
such Quarterly Report on Form 10-Q fairly presents in all material  respects the
financial condition and results of operations of Heartland Express, Inc.


Dated: August 7, 2009                                By: /s/ John P. Cosaert
                                                       ---------------------
                                                     John P. Cosaert
                                                     Executive Vice President
                                                     and Chief Financial Officer