POWER OF ATTORNEY

STATE OF TEXAS

COUNTY OF DALLAS

      The undersigned director, officer and/or
shareholder of Vulcan Materials Company, a New
Jersey corporation, hereby nominates, constitutes
and appoints Michael R. Mills, 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/ John R. McPherson

John R. McPherson