Whiteway-7-Highway U.S. Route 6 in Iowa

in 1922, whiteway-7-highway association filed application register whiteway-7-highway iowa state highway commission. commission concerned whiteway-7 s similarity great white way s name , route markings. great white way marked 6-foot-wide (1.8 m) stripe, while whiteway-7 marked 4-foot (1.2 m) stripe black circle containing white seven. concern new route since name contained number seven, route assigned along primary road nos. 2 , 7. on september 25, 1922, highway commission gave great white way des moines council bluffs, become part of whiteway-7-highway, number 7 , gave river-to-river road s western half number 2. 8 months later, iowa state highway commission reversed course , restored primary road nos. 2 , 7 original roadways. although disappointed, whiteway-7-highway association responded removing number name. on november 27, 1925, route officially became whiteway highway.