The operator of a bicycle emerging from an alley, driveway or building upon approaching a sidewalk or the sidewalk area extending across any alleyway shall yield the right-of-way to all pedestrians approaching on the sidewalk or sidewalk area and, upon entering the roadway, shall yield the right-of-way to all vehicles approaching on the roadway.
(1992 Code, § 730:36) Penalty, see § 71.999