Attached files

file filename
EX-31.2 - EXHIBIT 31.2 (SECTION 302 CERTIFICATION - ADAM W. MILLER) - KNIGHT TRANSPORTATION INCexhibit312.htm
EX-32.2 - EXHIBIT 32.2 (SECTION 906 CERTIFICATION - ADAM W. MILLER) - KNIGHT TRANSPORTATION INCexhibit322.htm
EX-32.1 - EXHIBIT 32.1 (SECTION 906 CERTIFICATION - DAVID A. JACKSON) - KNIGHT TRANSPORTATION INCexhibit321.htm
EX-31.1 - EXHIBIT 31.1 (SECTION 302 CERTIFICATION - DAVID A. JACKSON) - KNIGHT TRANSPORTATION INCexhibit311.htm
EX-21.1 - EXHIBIT 21.1 (SUBSIDIARIES) - KNIGHT TRANSPORTATION INCexhibit211.htm
10-K - FORM 10-K - KNIGHT TRANSPORTATION INCform10k.htm

Exhibit 23.1


CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


We have issued our reports dated March 1, 2017, with respect to the consolidated financial statements, schedule, and internal control over financial reporting included in the Annual Report of Knight Transportation, Inc. on Form 10-K for the year ended December 31, 2016.  We consent to the incorporation by reference of said reports in the Registration Statements of Knight Transportation, Inc. on Forms S-8 (File Nos. 333-105718, effective May 30, 2003; 333-126601, effective July 14, 2005; 333-152756, effective August 4, 2008; 333-181547, effective May 18, 2012; and 333-204156, effective May 14, 2015).
/s/ GRANT THORNTON LLP
 
Phoenix, Arizona
March 1, 2017