76.08   RIDING ON SIDEWALKS.
The following provisions apply to riding bicycles on sidewalks:
1.   Business District. No person shall ride a bicycle upon a sidewalk within the Business District, as defined in Section 60.02(1) of this Code of Ordinances.
(Code of Iowa, Sec. 321.236[10])
2.   Other Locations. When signs are erected on any sidewalk or roadway prohibiting the riding of bicycles thereon by any person, no person shall disobey the signs.
(Code of Iowa, Sec. 321.236[10])
3.   Yield Right-of-Way. Whenever any person is riding a bicycle upon a sidewalk, such person shall yield the right-of-way to any pedestrian and shall give audible signal before overtaking and passing.
(Code of Iowa, Sec. 321.236[10])