(a) There is established a Traffic-Control Map to show at all times the City's current:
(1) Through streets;
(2) Stop intersections;
(3) Yield right-of-way;
(4) One-way streets and alleys;
(5) Loading zones;
(6) Prohibited and limited parking areas;
(7) Angle parking areas;
(8) Parking meter zones.
(b) The Traffic-Control Map shall be prepared and kept on file in the Police Department, and it shall be maintained by the Police Department. A copy of the Traffic-Control Map existing as of the date of passage of this Traffic Code shall be attached to and is incorporated as a part of the Traffic Code. (1979 Code 70.18)