Route 31 is a highway in northwestern

Missouri Missouri is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it is bordered by eight states (tied for the most with Tennessee ...

. Its northern terminus is at

U.S. Route 169 U.S. Route 169 (US 169) is a north-south U.S highway that currently runs for 966 miles (1,555 km) from the city of Virginia, Minnesota to Tulsa, Oklahoma at Memorial Drive. Route description Oklahoma US 169 is a major north–south ...

in northwestern De Kalb County; its southern terminus is at US 169 southeast of

St. Joseph Joseph (; el, Ἰωσήφ, translit=Ioséph) was a 1st-century Jewish man of Nazareth who, according to the canonical Gospels, was married to Mary, the mother of Jesus, and was the legal father of Jesus. The Gospels also name some brothers ...

. Route 31 was one of the original 1922 state highways. Its northern terminus was originally five miles further north in King City at Route 4. That section of Route 31 became part of

Route description

Route 31 begins in Buchanan County, at the intersection of US Route 169 and 120 SE Road, where it heads northward. It passes through Easton, where a T intersection is formed with Route N, before meeting with

US Route 36 U.S. Route 36 (US 36) is an east–west United States highway that travels approximately from Rocky Mountain National Park, Colorado to Uhrichsville, Ohio. The highway's western terminus is at Deer Ridge Junction, an intersection in ...

. Route 31 runs east, concurrent with 36, where it moves into

DeKalb County DeKalb County may refer to one of several counties in the United States, all of which were named for Baron Johan DeKalb: * DeKalb County, Alabama * DeKalb County, Georgia * DeKalb County, Illinois * DeKalb County, Indiana * DeKalb County, Missouri ...

, before they split at the intersection with Spruce Road. After the split, Route 31 runs north to meet

Missouri Route 6 Route 6 is a state highway in the northern part of the U.S. state of Missouri. It travels from I-29 Bus./ US 169 in St. Joseph to US 24/ US 61 about west of Quincy, Illinois Quincy ( ), known as Illinois's "Gem City", is a ci ...

, where they run concurrently. The routes run through Clarksdale after the merge, before they turn east and split. Route 31 runs north, before once again meeting with US 169 at the former's northern terminus.

Junction list

References

031 Transportation in DeKalb County, Missouri Transportation in Clinton County, Missouri Transportation in Buchanan County, Missouri {{attached KML