U.S. Route 71 in Missouri

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U.S. Route 71
US 71 highlighted in red
Route information
Maintained by MoDOT
Length	316.722 mi[1] (509.715 km)
Major junctions
South end	US 71 at the Arkansas state line
Major intersections	I-49 in Pineville I-44 / Route 249 in Joplin I-435 / I-470 / US 50 in Kansas City I-70 in Kansas City I-29 / I-35 in Kansas City
North end	US 71 at the Iowa state line
Location
Country	United States
State	Missouri
Counties	McDonald, Newton, Jasper, Barton, Vernon, Bates, Cass, Jackson, Clay, Platte, Buchanan, Andrew, Nodaway
Highway system
United States Numbered Highway System List Special Divided Missouri State Highway System Interstate US State Supplemental
← I-70 → I-72

U.S. Route 71 (US 71) is a major north–south U.S. Highway that runs from Louisiana to Canada. US 71 enters Missouri from Arkansas in the town of Jane. US 71 serves the cities of Joplin, Kansas City and St. Joseph. At noon on December 12, 2012, the section of US 71 between Pineville, Missouri and I-435 in south Kansas City was also designated as a northern extension of Interstate 49 (I-49).