A.  No driver of a vehicle shall make a right turn against a red or stop signal at any intersection which is sign-posted giving notice of such restriction as hereinafter provided in this chapter.

    B.  The city engineer shall post appropriate signs giving effect to this chapter where he or she determines that the making of right turns against traffic signal "stop" indication would seriously interfere with the safe and orderly flow of traffic.  (Ord. 486 § 4 (part), 1992:  prior code § 13-5.1)