<SUBMISSION>
<ACCESSION-NUMBER>0001140361-06-003461
<TYPE>3
<PUBLIC-DOCUMENT-COUNT>2
<PERIOD>20060223
<FILING-DATE>20060306
<DATE-OF-FILING-DATE-CHANGE>20060306
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>COVENANT TRANSPORT INC
<CIK>0000928658
<ASSIGNED-SIC>4213
<IRS-NUMBER>880320154
<STATE-OF-INCORPORATION>NV
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>400 BIRMINGHAM HIGHWAY
<CITY>CHATTANOOGA
<STATE>TN
<ZIP>37419
<PHONE>4238211212
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>400 BIRMINGHAM HIGHWAY
<CITY>CHATTANOOGA
<STATE>TN
<ZIP>37419
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Acuff Jeffery D
<CIK>0001355089
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>3
<ACT>34
<FILE-NUMBER>000-24960
<FILM-NUMBER>06667221
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>800-532-0341
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>COVENANT TRANSPORT, INC.
<STREET2>400 BIRMINGHAM HIGHWAY
<CITY>CHATTANOOGA
<STATE>TN
<ZIP>37419
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2006-02-23</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000928658</issuerCik>
        <issuerName>COVENANT TRANSPORT INC</issuerName>
        <issuerTradingSymbol>CVTI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001355089</rptOwnerCik>
            <rptOwnerName>Acuff Jeffery D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 BIRMINGHAM HIGHWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHATTANOOGA</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>37419</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP &amp; General Manager</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A common stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5882</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>401(k)</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (Right-to-Buy) Class A common stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>16.79</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2004-05-17</value>
            </exerciseDate>
            <expirationDate>
                <value>2011-05-17</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (Right-to-Buy) Class A common stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>15.39</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-05-16</value>
            </exerciseDate>
            <expirationDate>
                <value>2012-05-16</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (Right-to-Buy) Class A common stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>17.63</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-08-31</value>
            </exerciseDate>
            <expirationDate>
                <value>2013-05-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (Right-to-Buy) Class A common stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>15.71</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-08-31</value>
            </exerciseDate>
            <expirationDate>
                <value>2014-05-27</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (Right-to-Buy) Class A common stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>13.64</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-05-10</value>
            </exerciseDate>
            <expirationDate>
                <value>2015-05-10</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The number of shares beneficially owned following the reported transaction is equal to the reporting person's March 3, 2006 account balance, the latest available under the plan, in the employer stock fund under the issuer's 401(k) Plan divided by the closing price on March 3, 2006.  The fund is unitized and as such does not itself allocate a specific number of shares to each participant.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jeffery D. Acuff, by Heidi Hornung-Scherr, attorney-in-fact, pursuant to a Power of Attorney filed herewith</signatureName>
        <signatureDate>2006-03-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>2
<FILENAME>poa1.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
<html>
  <head>
    <title>
      Unassociated Document
</title><!-- Licensed to: Scudder Law Firm-->
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<!-- Copyright 2005 EDGARfilings, Ltd., an IEC company.-->
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</head>
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    <div><br>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">POWER
        OF
        ATTORNEY</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Know
        all
        by these presents, that the undersigned hereby constitutes and appoints each
        of
        Earl H. Scudder, Mark A. Scudder, Heidi Hornung-Scherr, and Catherine A.
        Chase,
        signing singly, the undersigned's true and lawful attorney-in-fact
        to:</font></div>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(1)</font></div>
              </td>
              <td align="justify" valign="top" width="67%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">execute
                  for and on behalf of the undersigned, in the undersigned's capacity
                  as an
                  officer, director, and/or ten percent stockholder of Covenant Transport,
                  Inc. (the "Company"), Forms 3, 4, and 5 in accordance with Section
                  16(a)
                  of the Securities Exchange Act of 1934 and the rules
                  thereunder;</font></div>
              </td>
            </tr>
            <tr>
              <td align="justify" valign="top" width="4%">&#160;</td>
              <td align="justify" valign="top" width="67%">&#160;</td>
            </tr>
            <tr>
              <td align="justify" valign="top" width="4%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(2)</font></div>
              </td>
              <td align="justify" valign="top" width="67%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">do
                  and perform any and all acts for and on behalf of the undersigned
                  which
                  may be necessary or desirable to complete and execute any such
                  Form 3, 4,
                  or 5, including a Form ID, complete and execute any amendment or
                  amendments thereto, and timely file such form with the United States
                  Securities and Exchange Commission and any stock exchange or similar
                  authority; and</font></div>
              </td>
            </tr>
            <tr>
              <td align="justify" valign="top" width="4%">&#160;</td>
              <td align="justify" valign="top" width="67%">&#160;</td>
            </tr>
            <tr>
              <td align="justify" valign="top" width="4%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(3)</font></div>
              </td>
              <td align="justify" valign="top" width="67%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">take
                  any other action of any type whatsoever in connection with the
                  foregoing
                  which, in the opinion of such attorney-in-fact, may be of benefit
                  to, in
                  the best interest of, or legally required by, the undersigned,
                  it being
                  understood that the documents executed by such attorney-in-fact
                  on behalf
                  of the undersigned pursuant to this Power of Attorney shall be
                  in such
                  form and shall contain such terms and conditions as such attorney-in-fact
                  may approve in such attorney-in-fact's sole discretion.
                  </font></div>
              </td>
            </tr>

        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
        undersigned hereby grants to each such attorney-in-fact full power and authority
        to do and perform any and every act and thing whatsoever requisite, necessary,
        or proper to be done in the exercise of any of the rights and powers herein
        granted, as fully to all intents and purposes as the undersigned might or
        could
        do if personally present, with full power of substitution or revocation,
        hereby
        ratifying and confirming all that such attorney-in-fact, or such
        attorney-in-fact's substitute or substitutes, shall lawfully do or cause
        to be
        done by virtue of this power of attorney and the rights and powers herein
        granted. The undersigned acknowledges that the foregoing attorneys-in-fact,
        in
        serving in such capacity at the request of the undersigned, are not assuming,
        nor is the Company or Scudder Law Firm, P.C., L.L.O. assuming, any of the
        undersigned's responsibilities to comply with Section 16 of the Securities
        Exchange Act of 1934. </font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">In
        consideration of the attorneys-in-fact acting on the undersigned&#8217;s behalf
        pursuant to this Power of Attorney, the undersigned hereby agrees to indemnify
        and hold harmless each attorney-in-fact, each substitute attorney-in-fact,
        and
        each of their respective heirs, executors, legal representatives, successors,
        and assigns from and against the entirety of any and all losses, claims,
        causes
        of action, damages, fines, defense costs, amounts paid in settlement,
        liabilities, and expenses, including reasonable attorneys&#8217; fees and expenses
        (collectively, "Losses"), relating to or arising out of the exercise of this
        Power of Attorney by any such attorney-in-fact or substitute attorney-in-fact,
        and will reimburse each such indemnified person for all Losses as they are
        incurred by such indemnified person in connection with any pending or threatened
        claim, action, suit, proceeding, or investigation with which such indemnified
        person is or is threatened to be made a party. The undersigned will not,
        however, be responsible for any Losses that are finally determined by a court
        of
</font></div>
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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">competent
        jurisdiction to have resulted solely from an attorney-in-fact&#8217;s or substitute
        attorney-in-fact&#8217;s bad faith or willful misconduct.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">This
        Power of Attorney shall remain in full force and effect until the undersigned
        is
        no longer required to file Forms 3, 4, and 5 with respect to the undersigned's
        holdings of and transactions in securities issued by the Company, unless
        earlier
        revoked by the undersigned in a signed writing delivered to the foregoing
        attorneys-in-fact. </font></div>
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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">IN
        WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
        executed as of this 3rd day of March 2006.</font></div>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">/s/
                  Jeffery D. Acuff</font></div>
              </td>
            </tr>
            <tr>
              <td align="justify" valign="top" width="40%">&#160;</td>
              <td align="justify" valign="top" width="40%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Jeffery
                  D. Acuff</font></div>
              </td>
            </tr>

        </table>
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