Attached files

file filename
EXCEL - IDEA: XBRL DOCUMENT - KNIGHT TRANSPORTATION INCFinancial_Report.xls
10-Q - FORM 10-Q (FIRST QUARTER 2015) - KNIGHT TRANSPORTATION INCform10q.htm
EX-31.2 - EXHIBIT 31.2 (SECTION 302 CERTIFICATION ADAM W. MILLER) - KNIGHT TRANSPORTATION INCexh312.htm
EX-32.2 - EXHIBIT 32.2 (SECTION 906 CERTIFICATION ADAM W. MILLER) - KNIGHT TRANSPORTATION INCexh322.htm
EX-10.1 - EXHIBIT 10.1 (MODIFICATION AGREEMENT) - KNIGHT TRANSPORTATION INCexhibit101.htm
EX-31.1 - EXHIBIT 31.1 (SECTION 302 CERTIFICATION DAVID A. JACKSON) - KNIGHT TRANSPORTATION INCexh311.htm
 


 
 
Exhibit 32.1

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

In connection with the Quarterly Report of Knight Transportation, Inc. (the "Company") on Form 10-Q for the quarterly period ended March 31, 2015, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, David A. Jackson, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

 
(1)
The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

 
(2)
The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

May 11, 2015
By:
/s/ David A. Jackson
   
David A. Jackson
   
Chief Executive Officer

A signed original of this written statement required by Section 906 has been provided to Knight Transportation, Inc. and will be retained by Knight Transportation, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.