Attached files
file | filename |
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10-K - FORM 10-K - Knight-Swift Transportation Holdings Inc. | c14360e10vk.htm |
EX-32 - EXHIBIT 32 - Knight-Swift Transportation Holdings Inc. | c14360exv32.htm |
EX-3.2 - EXHIBIT 3.2 - Knight-Swift Transportation Holdings Inc. | c14360exv3w2.htm |
EX-2.1 - EXHIBIT 2.1 - Knight-Swift Transportation Holdings Inc. | c14360exv2w1.htm |
EX-3.1 - EXHIBIT 3.1 - Knight-Swift Transportation Holdings Inc. | c14360exv3w1.htm |
EX-10.2 - EXHIBIT 10.2 - Knight-Swift Transportation Holdings Inc. | c14360exv10w2.htm |
EX-31.1 - EXHIBIT 31.1 - Knight-Swift Transportation Holdings Inc. | c14360exv31w1.htm |
EX-10.5 - EXHIBIT 10.5 - Knight-Swift Transportation Holdings Inc. | c14360exv10w5.htm |
EX-23.1 - EXHIBIT 23.1 - Knight-Swift Transportation Holdings Inc. | c14360exv23w1.htm |
EX-21.1 - EXHIBIT 21.1 - Knight-Swift Transportation Holdings Inc. | c14360exv21w1.htm |
EXHIBIT 31.2
RULE 13a-14(a)/15d-14(a) CERTIFICATION
I, Virginia Henkels, certify that:
1. I have reviewed this Annual Report on Form 10-K of Swift Transportation Company;
2. Based on my knowledge, this report does not contain any untrue statement of a material fact or
omit to state a material fact necessary to make the statements made, in light of the circumstances
under which such statements were made, not misleading with respect to the period covered by this
report;
3. Based on my knowledge, the financial statements, and other financial information included in
this report, fairly present in all material respects the financial condition, results of operations
and cash flows of the registrant as of, and for, the periods presented in this report;
4. The registrants other certifying officer(s) and I are responsible for establishing and
maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and
15d-15(e)) for the registrant and have:
a) Designed such disclosure controls and procedures, or caused such disclosure controls and
procedures to be designed under our supervision, to ensure that material information relating to
the registrant, including its consolidated subsidiaries, is made known to us by others within those
entities, particularly during the period in which this report is being prepared; and
b) Evaluated the effectiveness of the registrants disclosure controls and procedures and presented
in this report our conclusions about the effectiveness of the disclosure controls and procedures,
as of the end of the period covered by this report based on such evaluation; and
5. The registrants other certifying officer(s) and I have disclosed, based on our most recent
evaluation of internal control over financial reporting, to the registrants auditors and the audit
committee of the registrants board of directors (or persons performing the equivalent functions):
a) All significant deficiencies and material weaknesses in the design or operation of internal
control over financial reporting which are reasonably likely to adversely affect the registrants
ability to record, process, summarize and report financial information; and
b) Any fraud, whether or not material, that involves management or other employees who have a
significant role in the registrants internal control over financial reporting.
Date: March 29, 2011
/s/ Virginia Henkels | ||||
Virginia Henkels | ||||
Executive Vice President and Chief Financial Officer |