351.11  BLOCKING STREETS AND ALLEYS PROHIBITED.
   No person shall stop, park, or leave standing any vehicle, whether attended or unattended, upon a street or alley in such manner or under such conditions as to leave available less than ten continuous feet of the width of the paved, improved or main traveled part of the street or alley for the free passage of other vehicles, except the following:
   (a)   The driver of any vehicle engaged by or on behalf of the City may stop temporarily during the actual conduct of City business;
   (b)   The driver of any vehicle engaged by or on behalf of any utility company may stop temporarily during actual conduct of the utility company's business;
   (c)   The driver of any vehicle may stop temporarily during actual loading or unloading; or
   (d)   The driver of any vehicle may stop temporarily when necessary in obedience to traffic regulations, traffic-control devices, or a police officer. 
(1978 Code 76.06)