<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>millmichaelpoa.txt
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
POWER OF ATTORNEY

STATE OF ALABAMA

COUNTY OF JEFFERSON

      The undersigned director, officer and/or shareholder of Vulcan
Materials Company, a New Jersey corporation, hereby nominates,
constitutes and appoints Jerry F. Perkins Jr., and C. Samuel Todd, or any
of them, the true and lawful attorneys of the undersigned to prepare, based
on information provided by the undersigned, and sign the name of the
undersigned to (1) any Form 3 required to be filed with the Securities and
Exchange Commission (the "SEC") under the Securities and Exchange
Act of 1934, as amended (the "Exchange Act"), for and on behalf of the
undersigned and any and all amendments to said report; (2) any Form 4
required to be filed with the SEC under the Exchange Act, for and on
behalf of the undersigned and any and all amendments to said reports; and
(3) any Form 5  to be filed with the SEC under the Exchange Act, for and
on behalf of the undersigned and any and all amendments to said reports.

      The undersigned hereby grants to said attorneys full power of
substitution, resubstitution and revocation, all as fully as the undersigned
could do if personally present, hereby ratifying all that said attorneys or
their substitutes may lawfully do by virtue hereof.

      This Power of Attorney shall be effective for so long as the
undersigned remains subject to the provisions of Section 16 of the
Exchange Act, unless earlier revoked by the undersigned in a signed
writing delivered to the foregoing attorneys.

      IN WITNESS WHEREOF, the undersigned has executed this
Power of Attorney this 1st day of November, 2017.



/s/ Michael R. Mills


Michael R. Mills
</TEXT>
</DOCUMENT>
