EXHIBIT 23

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-43422) and Form S-8 (Nos. 333-80471, 33-36485 and 333-118299) of Granite Construction Incorporated of our report dated March 1, 2006 relating to the financial statements, management's assessment of the effectiveness of internal control over financial reporting and the effectiveness of internal control over financial reporting, which appears in the Annual Report to Shareholders, which is incorporated in the Annual Report on Form 10-K. We also consent to the incorporation by reference of our report dated March 1, 2006 relating to the financial statement schedule, which appears in this Form 10-K.