§ 452.12 PARKING IN ALLEYS AND NARROW STREETS; EXCEPTIONS.
   (a)   No person shall stop, stand or park any vehicle upon a street, other than an alley, in such a manner or under such conditions as to leave available less than ten feet of the width of the roadway for free movement of vehicular traffic, except that a driver may stop temporarily during the actual loading or unloading of passengers or when necessary in obedience to traffic regulations or traffic signs or signals or a police officer.
   (b)   No person shall park a vehicle within an alley except while actually loading and unloading and the period of such parking shall not exceed 30 minutes.
(1956 Code Sec. 761.06)