No person operating a bicycle shall fail to:
(a) Obey the instructions of official traffic control devices applicable to vehicles, unless otherwise directed by a police officer;
(b) Before changing course, turning or stopping upon a roadway, exercise due care that the movement can be made with reasonable safety and give the hand and arm signals required by Section 432.14;
(c) Yield the right-of-way to pedestrian and vehicular traffic upon the roadway as lawfully required;
(d) Yield the right-of-way to a pedestrian upon a sidewalk;
(e) Give timely and audible signal before overtaking and passing a pedestrian upon a roadway or sidewalk. (Ord. 1961-71. Passed 11-14-61.)