A. The council shall by resolution designate through streets, intersections where stops are required and intersections where vehicles shall yield the right-of-way; provided, that all through streets with stop signs and yield signs now in place are hereby ratified and approved as so placed.

B. When any resolution of the council shall designate any through street or intersection where vehicles are to stop or yield the right-of-way, the city engineer shall erect and maintain the appropriate signs at every location where a vehicle must stop or yield the right-of-way. [Code 2006 § 11-3-11].