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In 1926, the U.S. Highway System was created and many of the highways listed below became part of a new U.S. Highway; in some cases, a highway's number was changed so as not to conflict with a U.S. Highway number (or, later, an Interstate Highway number) which came through Missouri.
Missouri also maintains a secondary set of roads, supplemental routes, which are lettered rather than numbered. Route 366 in St. Louis Missouri has also changed highway designations with a US route or an interstate with the same number is designated through the state (Route 40 was redesignated Route 14 to avoid duplicating numbers with US-40 ...
Decommissioned in Missouri. [7] US 78 — — — — — — Former proposal highway in Missouri. US 80 — — — — — — Former proposal highway in Missouri. US 136: 257.457: 414.337 US 136 west of Rock Port: US 136 west of Keokuk, IA: 1951: current US 159: 17.648: 28.402 US 159 east of Rulo, NE: US 59 north of St. Joseph: 1935: current ...
Number Length (mi) [3] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes I-29: 128.584: 206.936 Downtown Loop in Kansas City, Missouri
In 1918, Wisconsin became the first state to number its highways in the field followed by Michigan the following year. [1] In 1926 the American Association of State Highway Officials (AASHO) established and numbered interstate routes (United States Numbered Highways), selecting the best roads in each state that could be connected to provide a national network of federal highways.
A supplemental route is a state secondary road in the U.S. state of Missouri, designated with letters.Supplemental routes were various roads within the state which the Missouri Department of Transportation was given in 1952 to maintain in addition to the regular routes, though lettered routes had been in use from at least 1932.
Since the policy on numbering and designating US Highways was updated in 1991, AASHTO has been in the process of eliminating all intrastate U.S. Highways under 300 miles (480 km) in length, "as rapidly as the State Highway Department and the Standing Committee on Highways of the American Association of State Highway and Transportation Officials ...
Notable routes that are intersected include U.S. Route 160 and U.S. Route 60 in Howell County, Interstate 44 at Rolla, U.S. Route 50 (which it shares a concurrency with into Jefferson City south of the Missouri River until it reaches the junction with U.S. 54), US Route 54 (which it overlaps in Jefferson City from the junction with U.S. Route ...