No ordinance relating to railroad crossings with streets and other public ways, or relating to the conduct, duties, service or rates of public utilities shall be repealed by virtue of the adoption of this municipal code or by virtue of the preceding section, excepting as the municipal code may contain provisions for such matters, in which case this municipal code shall be considered as amending such ordinance or ordinances in respect to such provisions only. (1991 Code; amd. Ord. 338, 3-28-2006)