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 Denson N.
Franklin III, C. Samuel Todd, and Elizabeth H. Townsend,
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, re-substitution, 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 15th day of January, 2020.

 /s/
Randy L. Pigg