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 directed to by a police officer or traffic control signal.
   Penalty - see Sections 307.01, 307.02 and 351.19