Iowa Highway 14

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Iowa Highway 14

Iowa 14 highlighted in red
Route information
Maintained by Iowa DOT
Length187.838 mi[1] (302.296 km)
Major junctions
South end Iowa 2 in Corydon
Major intersections
North end
US 18 / US 218 Bus. in Charles City
CountryUnited States
Highway system
Iowa 13 No. 15

Iowa Highway 14 (Iowa 14) is a state highway that runs from north to south across the state of Iowa for 188 miles (303 km). The begins in Corydon at an intersection with Iowa 2 and ends in Charles City at an intersection with U.S. Highway 18 (US 18) and US 218 Business.

Route description

Iowa Highway 14 begins in Corydon at Iowa 2. It goes north past Millerton and intersects US 34 in Chariton. After leaving Chariton going north, it turns northeast near Williamson, then turns north shortly before intersecting Iowa 5 and Iowa 92 at Knoxville. In Knoxville, the road passes east of Knoxville Raceway and the National Sprint Car Hall of Fame & Museum. It continues north past the locally famous "Mile Long Bridge", which carries the highway across Lake Red Rock, and then intersects Iowa 163 in Monroe. It proceeds north to Newton, where it intersects Interstate 80 and a short overlap with US 6 begins. The overlap ends as it skirts the eastern edge of Lambs Grove. It continues north, then turns east and turns north again when it intersects Iowa 224. It continues north through Laurel, then intersects US 30 at the southern edge of Marshalltown.

Iowa 14 then goes through Marshalltown and then intersects Iowa 330 and Iowa 96 before intersecting Iowa 175 west of Grundy Center. Iowa 14 and Iowa 175 then overlap into Grundy Center. Iowa 14 turns north at Grundy Center and intersects U.S. Highway 20 before meeting Iowa 57 near Parkersburg. They overlap through Parkersburg, then Iowa 14 turns north. It continues north until Iowa 3, with which it overlaps for one mile (1.6 km) near Allison. It continues north west of Allison through Greene, goes through Roseville, then turns east towards Charles City. West of Charles City, it intersects US 18, US 218, and Iowa 27, the Iowa designation for the Avenue of the Saints. It continues east into downtown Charles City and ends at another intersection with US 18.


Iowa Highway 14 was established July 1, 1920, when the Iowa highway system was established. On May 1, 2006, Iowa 14 was extended further into Charles City to intersect US 18, which was rerouted around Charles City that day.

Major intersections

WayneCorydon0.0000.000 Iowa 2 (Jefferson Street) – Centerville, Leon
LucasChariton17.33527.898 US 34 – Osceola, Albia

US 34 Bus. east (7th Street)
Southern end of US 34 Business overlap

US 34 Bus. east (Court Avenue) – Business District
Northern end of US 34 Business overlap
MarionKnoxville42.63968.621 Iowa 5 / Iowa 92 – Indianola, OskaloosaIowa 5 exit 62
Iowa 92 Business (Pleasant Street)
JasperMonroe57.13291.945 Iowa 163 – Des Moines, OskaloosaExit 29 along Iowa 163
I-80 / US 6 west – Des Moines, Davenport
Southern end of US 6 overlap; exit 164 along I-80
US 6 east (1st Avenue West) – Lambs Grove, Newton, Business District
Northern end of US 6 overlap
Mariposa Township86.071138.518
Iowa 224 south – Kellogg
MarshallMarshalltown98.899159.163 US 30 – Ames, Cedar RapidsExit 185 along US 30
US 30 Bus. (Iowa Avenue)
Taylor Township107.419172.874
Iowa 330 south – Albion
Liscomb Township111.416179.307
Iowa 96 east – Gladbrook
GrundyMelrose Township123.339198.495
Iowa 175 west – Eldora
Southern end of Iowa 175 overlap
Grundy Center130.613210.201
Iowa 175 east (G Avenue)
Northern end of Iowa 175 overlap
township line
137.608221.459 US 20 – Fort Dodge, WaterlooExit 208 along US 20
Iowa 57 east – Cedar Falls
Southern end of Iowa 57 overlap
Iowa 57 west (Buswell Street) – Aplington, Ackley, Business District
Northern end of Iowa 57 overlap
Iowa 3 east – Shell Rock
Southern end of Iowa 3 overlap
Iowa 3 west – Dumont, Hampton
Northern end of Iowa 3 overlap
FloydSaint Charles Township185.445298.445
US 18 / US 218 / Iowa 27 – Mason City, Waterloo
Exit 214 along US 18
Charles City187.560301.849

US 218 Bus. north (Gilbert Street)
Southern end of US 218 Business overlap

US 18 / US 218 Bus. south (Brantingham Street / 2nd Street)
Northern end of US 218 Business overlap
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b 2009 Volume of Traffic on the Primary Road System of Iowa (PDF) (Report). Iowa Department of Transportation. January 1, 2009. Retrieved January 15, 2011.