Iowa Code Title VIII. Transportation [Chs. 306-330B] § 321.353. Stop before crossing sidewalk--right-of-way

1. The driver of a vehicle emerging from a private roadway, alley, driveway, or building shall stop such vehicle immediately prior to driving onto the sidewalk area and thereafter the driver shall proceed into the sidewalk area only when the driver can do so without danger to pedestrian traffic and the driver shall yield the right-of-way to any vehicular traffic on the street into which the driver's vehicle is entering.

2. The driver of a vehicle about to enter or cross a highway from a private road or driveway shall stop such vehicle immediately prior to driving on said highway and shall yield the right-of-way to all vehicles approaching on said highway.