Vehicles emerging from alleys, driveways, and buildings

The driver of a vehicle within a business or residence district emerging from an alley, driveway, or building shall stop the vehicle immediately prior to driving onto a sidewalk or onto the sidewalk area extending across any alleyway or private driveway, and shall yield the right-of-way to any pedestrian as may be necessary to avoid collision. Upon entering the roadway the driver shall yield the right of way to all vehicles approaching on the roadway.