Iowa Highway 37 (Iowa 37) is an east–west road in the west-central part of the state. Iowa 37 begins just east of

Turin Turin ( , Piedmontese language, Piedmontese: ; it, Torino ) is a city and an important business and cultural centre in Northern Italy. It is the capital city of Piedmont and of the Metropolitan City of Turin, and was the first Italian capital ...

Iowa Highway 175 Iowa Highway 175 (Iowa 175) is a main east–west route in the northern portion of the state. The highway has a length of . Iowa Highway 175 enters the state by a Missouri River crossing between Decatur, Nebraska and Onawa. The highway co ...

. It ends east of Earling at

U.S. Highway 59 U.S. Route 59 (US 59) is a north–south United States highway (though it was signed east–west in parts of Texas). A latecomer to the U.S. numbered route system, US 59 is now a border-to-border route, part of the NAFTA superhighway, NAFTA ...

. A small portion of the highway near Turin is designated as part of the

Loess Hills Scenic Byway The Loess Hills are a formation of wind-deposited loess, loess soil in the westernmost parts of Iowa and Missouri, and the easternmost parts of Nebraska and Kansas, along the Missouri River. Geology The Loess (, , or ) Hills are generally locate ...

Route description

Iowa Highway 37 begins at an

intersection In mathematics, the intersection of two or more objects is another object consisting of everything that is contained in all of the objects simultaneously. For example, in Euclidean geometry, when two lines in a plane are not parallel, their i ...

with Iowa 175 east of

and adjacent to Iowa 175's crossing of the Maple River. The first of the route are part of the Loess Hills Scenic Byway. The highway travels east and then southeast through the

Loess Hills The Loess Hills are a formation of wind-deposited loess soil in the westernmost parts of Iowa and Missouri, and the easternmost parts of Nebraska and Kansas, along the Missouri River. Geology The Loess (, , or ) Hills are generally located bet ...

, a region of dunes east of the Missouri River created by wind-deposited

silt Silt is granular material of a size between sand and clay and composed mostly of broken grains of quartz. Silt may occur as a soil (often mixed with sand or clay) or as sediment mixed in suspension with water. Silt usually has a floury feel when ...

from the Missouri River valley. At

Soldier A soldier is a person who is a member of an army. A soldier can be a conscripted or volunteer enlisted person, a non-commissioned officer, or an officer. Etymology The word ''soldier'' derives from the Middle English word , from Old French ...

, Iowa 37 exits the Loess Hills and meets Iowa 183. From Soldier, the highway travels to the southeast to Dunlap. In Dunlap, Iowa 37 overlaps US 30 for . Eastbound Iowa 37 overlaps westbound US 30; this phenomenon is known as a

wrong-way concurrency A concurrency in a road network is an instance of one physical roadway bearing two or more different route numbers. When two roadways share the same right-of-way, it is sometimes called a common section or commons. Other terminology for a concurre ...

. Between Dunlap and Earling, Iowa 37 travels in a stairstep path to the south and east for . At Earling, the highway intersects the northern end of Iowa 191. Its last section is long, connecting Earling to US 59.

History

Originally, Iowa Highway 37 began at US 75 in Onawa to US 59 east of Earling. The westernmost of the route were overlapped by Iowa 175. In 1966, Iowa 37 was truncated to its current western end near the Maple River. In 1971, a new section of US 59 was opened to the west of the former alignment. As a result, Iowa 37 was extended north and east to

Irwin Irwin may refer to: Places ;United States * Irwin, California * Irwin, Idaho * Irwin, Illinois * Irwin, Iowa * Irwin, Nebraska * Irwin, Ohio * Irwin, Pennsylvania * Irwin, South Carolina * Irwin County, Georgia * Irwin Township, Venango County, Pe ...

, absorbing Iowa 268 The section from US 59 to Irwin was short-lived. In 1980, the section east of US 59 was turned over to Shelby County.

Major intersections

References

External links

{{Attached KML
End of Iowa 37
at Iowa Highway Ends. 037 Transportation in Monona County, Iowa Transportation in Crawford County, Iowa Transportation in Harrison County, Iowa Transportation in Shelby County, Iowa