This road started in 1910, making it older than the Lincoln Highway (1913).
It was originally referred to as "The Great White Way" but now called "The White Pole Road" for the markers.
An early advertisement for it mentions "No toll roads or bridges. Most populous route in Iowa. best marked road in the United States. Follow the always easy to see white poles.
Going east to west, it went through the towns of Rock Island and Moline, Illinois into Iowa, then: Davenport, Muscatine, Columbus Junction, Washington, Klota, Marples, Delta, Rose Hill, Ossaloosa, Pella, Otley, Monroe, Prairie City, Des Moines, Van Meter, Desoto, Earlham, Dexter, Adair, Anita, Wiota, Atlantic, Lewis, Oakland, Quick, Council Bluffs and into Omaha, Nebraska.
Making Me Bite on the Great White. --RoadDog