305.02 TRAFFIC-CONTROL MAP AND FILE.
   There is hereby established a traffic-control map and file to show at all times the City's current:
   (a)   Through streets;
   (b)   Stop intersections;
   (c)   Yield intersections;
   (d)   One-way streets and alleys;
   (e)   Loading zones, bus stops, and taxicab stands;
   (f)   Parking spaces, areas, and zones;
   (g)   Streets where trucks are prohibited;
   (h)   Snow emergency routes.