Oklahoma State Highway 14 route continued north along present-day U.S. 281 through Alva to the state line south of Hardtner, Kansas. (The old road north of Vici became part of SH-34.) New U.S. routes were added to Oklahoma's highway system in 1938. Among these were US-281, formerly a split route with one section in Kansas and one in Texas, which was connected in 1938 via Oklahoma; also added in 1938 was a southern extension of US-183. These two routes were overlaid onto SH-14, with US-183 entering the state from the south near Davidson and following the SH-14 route to Seiling, and US-281 taking the
History of the Kansas City metropolitan area that the western border of the new state would run from Iowa along the Missouri River to the confluence of the Kansas River (Kaw) and the Missouri River, then as a straight line running south to the northwest corner of Arkansas. As part of the Missouri Compromise in 1821, Congress admitted Missouri to the union as the 24th state and as a slave state. The area of the confluence of the two rivers, alternately known as the village of Kansa, Chouteau's, Quindaro, Westport Landing, Missouri River Quay, Town of Kansas, City of Kansas and finally Kansas City, has been subject