Consent of Independent Registered Public Accounting Firm
The Board of Directors
We consent to the
incorporation by reference in the registration statements (Nos. 333-155805, 333-104929, 333-104694 and 333-100649) on Form S-8 of Saia, Inc. of our reports dated March 2, 2012, with respect to the consolidated balance sheets of Saia, Inc. and
subsidiary as of December 31, 2011 and 2010, and the related consolidated statements of operations, shareholders equity, and cash flows for each of the years in the three-year period ended December 31, 2011, and the effectiveness of
internal control over financial reporting as of December 31, 2011, which reports appear in the December 31, 2011 annual report on Form 10-K of Saia, Inc.
/s/ KPMG LLP
March 2, 2012