Iowa Primary Road No. 15

Primary Road No. 15 was a state highway in western Iowa. It is related to the current highways:


 * U.S. Highway 169 between the Missouri state line and Winterset
 * Iowa Highway 92 between Winterset and near Bevington
 * Iowa Highway 28 between near Bevington and Des Moines
 * U.S. Highway 69 between Des Moines and the Minnesota state line