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 13th day of December 2019.

/s/ Lee J. Styslinger, III
Lee J. Styslinger, III