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      Form 8-K (Johnson Resignation)
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    <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: 18pt; FONT-FAMILY: Times New Roman"><strong>UNITED
      STATES</strong></font></div>
    <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: 18pt; FONT-FAMILY: Times New Roman"><strong>SECURITIES
      AND EXCHANGE COMMISSION</strong></font></div>
    <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: 12pt; FONT-FAMILY: Times New Roman">Washington,
      D.C. 20549 </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: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>_____________________________________________________________________</strong></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: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 18pt; FONT-FAMILY: Times New Roman"><strong>FORM
      8-K</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
    <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"><strong>CURRENT
      REPORT </strong></font></div>
    <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"><strong>Pursuant
      to Section 13 or 15(d) of the Securities Exchange Act of
      1934</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
    <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">Date
      of
      Report (Date of earliest event reported): </font></div>
    <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">November
      23, 2005</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: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>_____________________________________________________________________</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
    <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: 18pt; FONT-FAMILY: Times New Roman"><strong>KNIGHT
      TRANSPORTATION, INC.</strong></font></div>
    <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">(Exact
      name of registrant as specified in its charter) </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: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
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              <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">Arizona</font></div>
            </td>
            <td valign="top" width="18%">
              <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">000-24946</font></div>
            </td>
            <td valign="top" width="25%">
              <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">86-0649974</font></div>
            </td>
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              <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">(State
                or other jurisdiction</font></div>
              <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">of
                incorporation)</font></div>
            </td>
            <td valign="top" width="18%">
              <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">(Commission</font></div>
              <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">File
                Number)</font></div>
            </td>
            <td valign="top" width="25%">
              <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">(IRS
                Employer</font></div>
              <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">Identification
                No.)</font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
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            <td valign="top" width="30%">
              <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">5601
                W. Buckeye Road, Phoenix, AZ</font></div>
            </td>
            <td valign="top" width="28%">
              <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">85043</font></div>
            </td>
          </tr>
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            <td valign="top" width="30%">
              <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">(Address
                of principal executive offices)</font></div>
            </td>
            <td valign="top" width="28%">
              <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">(Zip
                Code)</font></div>
            </td>
          </tr>

      </table>
    </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: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
    <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">(602)
      269-2000</font></div>
    <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">(Registrant's
      telephone number, including area code)</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: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></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: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Check
      the
      appropriate box below if the Form 8-K filing is intended to simultaneously
      satisfy the filing obligation of the registrant under any of the following
      provisions:</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
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                &#160;]</font></div>
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            <td align="left" valign="top" width="78%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Written
                communications pursuant to Rule 425 under the Securities Act (17
                CFR
                230.425)</font></div>
            </td>
          </tr>
          <tr>
            <td align="left" valign="top" width="3%">&#160;</td>
            <td align="left" valign="top" width="78%">&#160;</td>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">[&#160;&#160;&#160;
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            <td align="left" valign="top" width="78%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Soliciting
                material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
                240.14a-12)</font></div>
            </td>
          </tr>
          <tr>
            <td align="left" valign="top" width="3%">&#160;</td>
            <td align="left" valign="top" width="78%">&#160;</td>
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          <tr>
            <td align="left" valign="top" width="3%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">[&#160;&#160;&#160;
                ]</font></div>
            </td>
            <td align="left" valign="top" width="78%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pre-commencement
                communications pursuant to Rule 14d-2(b) under the Exchange Act (17
                CFR
                240.14d-2(b))</font></div>
            </td>
          </tr>
          <tr>
            <td align="left" valign="top" width="3%">&#160;</td>
            <td align="left" valign="top" width="78%">&#160;</td>
          </tr>
          <tr>
            <td align="left" valign="top" width="3%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">[&#160;&#160;&#160;
                ]</font></div>
            </td>
            <td align="left" valign="top" width="78%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pre-commencement
                communications pursuant to Rule 13e-4(c) under the Exchange Act (17
                CFR
                240.13e-4(c))</font></div>
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 27pt; TEXT-INDENT: -27pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div><br>
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            <td align="justify" valign="top" width="7%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
              <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"><strong>Item
                5.02</strong></font></div>
            </td>
            <td align="justify" valign="top" width="70%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
              <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"><strong>Departure
                of Directors or Principal Officers; Election of Directors; Appointment
                of
                Principal Officers.</strong></font></div>
            </td>
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            <td align="justify" valign="top" width="7%">&#160;</td>
            <td align="justify" valign="top" width="70%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
              <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">(b)</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
              <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">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;
                On November 23, 2005, Robert L. Johnson will cease to serve as Corporate
                Controller and principal accounting officer of Knight Transportation,
                Inc., an Arizona corporation (the "Company"), in order to devote
                greater
                time to family matters. Mr. Johnson's transition from those positions
                will
                be effective today. He will remain an employee of the Company and
                assist
                the accounting department.</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
              <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">(c)</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font size="2">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;
<font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Wayne
                Yu, currently the head of the Company's internal audit function,
                has been
                appointed interim principal accounting officer. Mr. Yu, age 43, has
                been
                with the Company since March 2001. Mr. Yu served as the Company&#8217;s
                Assistant Controller from March 2001 to April 2005, and served as
                the
                Director of Internal Audit from April 2005 to present. Prior to joining
                the Company, Mr. Yu was the Assistant Controller for Lifemark Corporation
                from February 1997 to February 2001. Mr. Yu graduated from Arizona
                State
                University with a Bachelor of Science Degree in Accounting. He is
                a
                licensed CPA in Arizona.</font></font></div>
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    <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"><strong>SIGNATURE</strong></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: 27pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pursuant
      to the requirements of the Securities Exchange Act of 1934, the registrant
      has
      duly caused this report to be signed on its behalf by the undersigned hereunto
      duly authorized.</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="left"><br></div>
    <div align="left">
      <table border="0" cellpadding="0" cellspacing="0" width="80%">

          <tr>
            <td align="left" valign="top" width="28%">&#160;</td>
            <td align="left" colspan="2" valign="top" width="28%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">KNIGHT
                TRANSPORTATION, INC.</font></div>
            </td>
          </tr>
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            <td align="left" valign="top" width="28%">&#160;</td>
            <td align="left" colspan="2" valign="top" width="28%">&#160;</td>
          </tr>
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            <td align="left" valign="top" width="28%">&#160;</td>
            <td align="left" colspan="2" valign="top" width="28%">&#160;</td>
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                November 23, 2005</font></div>
            </td>
            <td align="left" valign="top" width="3%">
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                David A.
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[{"type": "8-K", "sequence": "1", "filename": "form8k.htm", "description": "FORM 8-K (JOHNSON RESIGNATION)", "secsgml_size_bytes": 26610}]
{"company-data": {"conformed-name": "KNIGHT TRANSPORTATION INC", "cik": "0000929452", "assigned-sic": "4213", "irs-number": "860649974", "state-of-incorporation": "AZ", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-32396", "film-number": "051225394"}, "business-address": {"street1": "5601 W BUCKEYE RD", "city": "PHOENIX", "state": "AZ", "zip": "85043", "phone": "6022692000"}, "mail-address": {"street1": "5601 W BUCKEYE RD", "city": "PHOENIX", "state": "AZ", "zip": "85043"}}
Form 8-K (Johnson Resignation)
UNITED
      STATES
SECURITIES
      AND EXCHANGE COMMISSION
Washington,
      D.C. 20549
_____________________________________________________________________
FORM
      8-K
CURRENT
      REPORT
Pursuant
      to Section 13 or 15(d) of the Securities Exchange Act of
      1934
Date
      of
      Report (Date of earliest event reported):
November
      23, 2005
_____________________________________________________________________
KNIGHT
      TRANSPORTATION, INC.
(Exact
      name of registrant as specified in its charter)
Arizona
000-24946
86-0649974
(State
                or other jurisdiction
of
                incorporation)
(Commission
File
                Number)
(IRS
                Employer
Identification
                No.)
5601
                W. Buckeye Road, Phoenix, AZ
85043
(Address
                of principal executive offices)
(Zip
                Code)
(602)
      269-2000
(Registrant's
      telephone number, including area code)
Check
      the
      appropriate box below if the Form 8-K filing is intended to simultaneously
      satisfy the filing obligation of the registrant under any of the following
      provisions:
[  
                 ]
Written
                communications pursuant to Rule 425 under the Securities Act (17
                CFR
                230.425)
[   
                ]
Soliciting
                material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
                240.14a-12)
[   
                ]
Pre-commencement
                communications pursuant to Rule 14d-2(b) under the Exchange Act (17
                CFR
                240.14d-2(b))
[   
                ]
Pre-commencement
                communications pursuant to Rule 13e-4(c) under the Exchange Act (17
                CFR
                240.13e-4(c))
1
Item
                5.02
Departure
                of Directors or Principal Officers; Election of Directors; Appointment
                of
                Principal Officers.
(b)
On November 23, 2005, Robert L. Johnson will cease to serve as Corporate
                Controller and principal accounting officer of Knight Transportation,
                Inc., an Arizona corporation (the "Company"), in order to devote
                greater
                time to family matters. Mr. Johnson's transition from those positions
                will
                be effective today. He will remain an employee of the Company and
                assist
                the accounting department.
(c)
Wayne
                Yu, currently the head of the Company's internal audit function,
                has been
                appointed interim principal accounting officer. Mr. Yu, age 43, has
                been
                with the Company since March 2001. Mr. Yu served as the Company's
                Assistant Controller from March 2001 to April 2005, and served as
                the
                Director of Internal Audit from April 2005 to present. Prior to joining
                the Company, Mr. Yu was the Assistant Controller for Lifemark Corporation
                from February 1997 to February 2001. Mr. Yu graduated from Arizona
                State
                University with a Bachelor of Science Degree in Accounting. He is
                a
                licensed CPA in Arizona.
2
SIGNATURE
Pursuant
      to the requirements of the Securities Exchange Act of 1934, the registrant
      has
      duly caused this report to be signed on its behalf by the undersigned hereunto
      duly authorized.
KNIGHT
                TRANSPORTATION, INC.
Date:
                November 23, 2005
By:
/s/
                David A.
                Jackson
David
                A. Jackson
Chief
                Financial Officer
3