Miss. Code Ann. § 65-3-57: Miss. Code Ann. § 65-3-57

(1) That portion of the Mississippi Highway No. 13 running from the intersection of such highway with Mississippi Highway No. 16 in Leake County, Mississippi, and continuing southerly through the counties of Leake, Scott, Rankin and Simpson shall be designated and henceforth known as the William G. Walter Memorial Highway.

(2) The Mississippi State Highway Department is hereby directed to erect appropriate signs along and approaching such highway.