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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt">Washington, D.C. 20549</font></div>

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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">CURRENT REPORT</font></div>

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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">Date of Report (Date of earliest event reported):</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">December 11, 2013</font></div>

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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 18pt; FONT-WEIGHT: bold">KNIGHT TRANSPORTATION, INC.</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">(Exact name of registrant as specified in its charter)</font></div>

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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Arizona</font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">20002 North 19th Avenue, Phoenix, AZ</font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Knight Transportation, Inc., an Arizona corporation (the &#8220;Company&#8221;), is realigning its segment reporting structure to reflect evolving current events and planned future changes to its business.&#160;&#160;As a result, the Company will report its Asset-Based business and Non-Asset-Based business as two reportable segments in the Company&#8217;s future filings with the U.S. Securities and Exchange Commission, commencing with the Company&#8217;s Annual Report on Form 10-K for the year ended December 31, 2013.&#160;&#160;Such Form 10-K will disclose segment&#160;information for historical periods in accordance with applicable rules and regulations.</font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">In accordance with General Instruction B.2 to Form 8-K, the information under Item 7.01 shall not be deemed &#8220;filed&#8221; for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;), or otherwise subject to the liabilities of that Section 18, nor shall such information be deemed incorporated by reference in any filing under the Exchange Act or the Securities Act of 1933, as amended (the &#8220;Securities Act&#8221;), except as shall be expressly set forth that such information is to be considered &#8220;filed&#8221; under the Exchange Act or by specific reference in an Exchange Act or Securities Act filing.</font></div>

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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"><font id="TAB1" style="MARGIN-LEFT: 24pt"></font>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>

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form8k.htm
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):
December 11, 2013
_____________________________________________________________________
KNIGHT TRANSPORTATION, INC.
(Exact name of registrant as specified in its charter)
Arizona
001-32396
86-0649974
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
20002 North 19th Avenue, Phoenix, AZ
85027
(Address of principal executive offices)
(Zip Code)
(602) 269-2000
(Registrant's telephone number, including area code)
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Item 7.01
Regulation FD Disclosure.
Knight Transportation, Inc., an Arizona corporation (the "Company"), is realigning its segment reporting structure to reflect evolving current events and planned future changes to its business.  As a result, the Company will report its Asset-Based business and Non-Asset-Based business as two reportable segments in the Company's future filings with the U.S. Securities and Exchange Commission, commencing with the Company's Annual Report on Form 10-K for the year ended December 31, 2013.  Such Form 10-K will disclose segment information for historical periods in accordance with applicable rules and regulations.
In accordance with General Instruction B.2 to Form 8-K, the information under Item 7.01 shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that Section 18, nor shall such information be deemed incorporated by reference in any filing under the Exchange Act or the Securities Act of 1933, as amended (the "Securities Act"), except as shall be expressly set forth that such information is to be considered "filed" under the Exchange Act or by specific reference in an Exchange Act or Securities Act filing.
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: December 11, 2013
By:
/s/ Adam W. Miller
Adam W. Miller
Chief Financial Officer