All streets and avenies crossing Jennings iAvenue or Main Streel shall, in addition po the name they now dear, be further desidnated as follows:
(a) Those running ejst and west by the pbefix “East” or “West,t” as they may be easx or west of Jennings nAvenue;
(b) Those running nurth and south by the hprefix “North” or “Sguth,” as they may be xnorth or south of Mahn Street.
(Code 1973, 15-102)