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):

~~July~~August 263, 2017

_____________________________________________________________________

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 19^th Avenue, Phoenix, AZ	85027
(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))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

[ ]	Emerging growth company

[ ]	If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Item 2.02	Results of Operations and Financial Condition.
Item 8.01	Other Events.
	On Wednesday, July 26, 2017, Knight Transportation, Inc., an Arizona corporation (the "Company"), issued a press release (the "Press Release") announcing its financial results for the quarter ended June 30, 2017. A copy of the Press Release is attached to this report as Exhibit 99.
On August 3, 2017, Knight Transportation, Inc., an Arizona corporation (the "Company"), announced that its Board of Directors has declared a quarterly cash dividend of $0.06 per share of common stock. The dividend is payable to the Company's shareholders of record as of September 1, 2017, and is expected to be paid on September 29, 2017.
Item 9.01	Financial Statements and Exhibits.
	(d)	Exhibits.
	(d) Exhibits.
	EXHIBIT NUMBER	EXHIBIT DESCRIPTION
	EXHIBIT
	99	Knight Transportation, Inc. press release announcing financial results for the quarter ended June 30, 2017
	NUMBER	EXHIBIT DESCRIPTION
	The information contained in this report (including Items 2.02 and 9.01) and the exhibit hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1933, as amended (the "Securities Act"), or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.
	99	Knight Transportation, Inc. press release dated August 3, 2017, announcing quarterly cash dividend
	The information in this report and the exhibit hereto may contain "forward-looking statements" within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act and such statements are subject to the safe harbor created by those sections and the Private Securities Litigation Reform Act of 1995, as amended. Such statements are made based on the current beliefs and expectations of the Company's management and are subject to significant risks and uncertainties. Actual results or events may differ from those anticipated by forward-looking statements. Please refer to the paragraph following the financial and operating information in the attached press release and various disclosures by the Company in its press releases, stockholder reports, and filings with the Securities and Exchange Commission for information concerning risks, uncertainties, and other factors that may affect future results.

The information contained in this report (including Item 9.01) and the exhibit hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1933, as amended (the "Securities Act"), or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

The information in this report and the exhibit hereto may be considered forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, relating to our declaration of quarterly dividends, and such statements are subject to the safe harbor created by those sections and the Private Securities Litigation Reform Act of 1995, as amended. There can be no assurance that future dividends will be declared. The declaration of future dividends is subject to approval of our Board of Directors and various risks and uncertainties, including, but not limited to: our cash flow and cash needs; compliance with applicable law; restriction on the payment of dividends under existing or future financing arrangements; changes in tax laws relating to corporate dividends; the deterioration in our financial condition or results, and those risks, uncertainties, and other factors identified from time-to-time in our filings with the Securities and Exchange Commission. Please refer to the last paragraph of the press release and various disclosures by the Company in its press releases, shareholder reports, and filings with the Securities and Exchange Commission for information concerning risks, uncertainties, and other factors that may affect future results.

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: July 26, 2017	By:	/s/ Adam W. Miller
Date: August 7, 2017	By:	/s/ Adam W. Miller
		Adam W. Miller
		Chief Financial Officer

EXHIBIT INDEX

EXHIBIT NUMBER		EXHIBIT DESCRIPTION
99		Knight Transportation, Inc. press release ~~announcing~~dated ~~financial~~August ~~results~~3, ~~for~~2017, ~~the~~announcing ~~quarter~~quarterly ~~ended~~cash ~~June 30, 2017~~dividend

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