Missouri Route 15

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Route 15 is a highway in northeast Missouri. Its northern terminus is at the Iowa state line about north of Memphis; its southern terminus is at U.S. Route 54 in Mexico. Route 15 serves as a key north-south corridor in northeast Missouri, with its busiest portion supportnig transport for more than 2,000 rural Missourians.

Route description

Beginning at US 54 in Mexico, Route 15 travels north through Audrain County. Shortly after its starting point, the highway intersects Route 22 and continues northward through rural farmland. Route 15 then passes through Paris, where it intersects US 24 and Route 154 before continuing into Shelby County.

In Shelby County, Route 15 reaches Shelbina, where it intersects US 36 and Route 110. The highway then continues northward, passing through Shelbyville before entering Knox County. In Knox County, Route 15 intersects Route 6 near Edina and continues northward toward Scotland County.

Upon reaching Scotland County, Route 15 intersects US 136 in Memphis, forming a brief concurrency before separating again north of the city. The highway then enters Clark County, where it reaches its northern terminus at the Iowa state line near Milton, connecting with Iowa County Highway V56.

History

Route 15 is one of the original 1922 Missouri highways, though its southern terminus was significantly farther at Route 71 (now U.S. Route 65) at Buffalo. It was replaced by U.S. Route 54 from Mexico to southwest of Macks Creek and by Route 73 from that point to Buffalo.