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Full title of the Plan)
VULCAN MATERIALS COMPANY
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Exhibit 23(a)
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statements No. 333-147449 and 333-160302 on Form S-8 of our report relating to the financial statements of Vulcan Materials Company and the effectiveness of Vulcan Materials Company’s internal control over financial reporting dated February 26, 2019, appearing in the Annual Report on Form 10-K of Vulcan Materials Company for the year ended December 31, 2018, and our report dated June 27, 2019 appearing in the Annual Report on Form 11-K of Vulcan Materials Company Vulcan 401(k) Plan for the year ended December 31, 2018.
/s/ DELOITTE & TOUCHE LLP
Birmingham, Alabama
June 27, 2019
Exhibit 23(a)