No vehicle owner or operator shall stop, stand or park any vehicle upon a street or alley in a manner or under 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, traffic signs or signals or a police officer.
(`95 Code, § 52.03) Penalty, see § 70.99