Route 3 is a highway in northern and central Missouri. Its northern terminus is at Route 11 south of Kirksville; its southern terminus is at Route 5/Route 240 northwest of Fayette. Image File history File links No higher resolution available. ... Missouri Department of Transportation (also refered to as MoDot) is in charge of maintaining public roadways of Missouri. ... A mile is a unit of length, usually used to measure distance, in a number of different systems, including Imperial units, United States customary units and Norwegian/Swedish mil. ... km redirects here. ... Kirksville is a city located in Adair County, Missouri. ... Fayette is a city located in Howard County, Missouri. ... Callao is a city located in Macon County, Missouri. ... Armstrong is a city located in Howard County, Missouri. ... State highways in Missouri were first designated in 1922 and Missouris system was used (along with Wisconsins) as a plan for the entire U.S. Highway System which was created in 1926. ... Missouri Supplental Routes are officially designated as State Secondary Roads. They are roads within the state of Missouri designated with letters. ... Official language(s) English Capital Jefferson City Largest city Kansas City Area Ranked 21st - Total 69,709 sq mi (180,693 km²) - Width 240 miles (385 km) - Length 300 miles (480 km) - % water 1. ... Kirksville is a city located in Adair County, Missouri. ... Route 240 is a highway in the central part of Missouri. ... Fayette is a city located in Howard County, Missouri. ...