Washington, DC 20549

________________________________________

FORM 11-K

Full title of the Plan)

VULCAN MATERIALS COMPANY
(Name of issuer of the securities held pursuant to the Plan)

Exhibit 23(a)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference inRegistration Statements No. 333-147449 and 333-160302 on Form S-8 of our reportdated June 21, 2022relating to the financial statements of the Vulcan 401(k) Plan appearing in this Annual Report on Form 11-K for the year ended December 31, 2021.

/s/ DELOITTE & TOUCHE LLP

Birmingham, Alabama

June 21, 2022

Exhibit 23(a)