No operator of a vehicle shall make a "U" turn in a business district; provided, that "U" turns are permitted in designated "U" turn lanes within a pedestrian mall as defined by Section 9.10.050. No operator of a vehicle shall make a "U" turn at a point in the city outside a business district or a pedestrian mall except at a street intersection or a street end. (Ord. 93-64 § 1, 1993: Ord. 2735 § 2 (part), 1983).