Iowa Highway 1

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Iowa Highway 1

Iowa 1 highlighted in red
Route information
Maintained by Iowa DOT
Length119.312 mi[1] (192.014 km)
Existedca. 1926–present
Major junctions
South end Iowa 2 near Keosauqua
Major intersections
North end US 151 / CR E34 near Anamosa
Location
CountryUnited States
StateIowa
Counties
Highway system
 → Iowa 2

Iowa Highway 1 (Iowa 1) is a state highway in the U.S. state of Iowa that extends from Keosauqua to Anamosa. It travels nearly 120 miles (190 km), mainly through rich farmland and small communities. Iowa 1 provides an important link to Iowa City and the University of Iowa as it passes through campus. Portions of the route today date back to the late 1830s, when Martin Van Buren was president, making Iowa 1 one of the oldest routes in the state, pre-dating the current primary highway system by nearly eighty years. The highway was seriously damaged by the Cedar River in the Iowa flood of 2008, which closed the highway for seven weeks.

Route description

Iowa 1's southbound concurrency with eastbound Iowa Highway 16, June 2016

Iowa 1 begins at a T-intersection with Iowa 2 in rural Van Buren County, south of Keosauqua. It passes through gently rolling farmland for ten miles (16 km) before entering the Des Moines River valley adjacent to Lacey-Keosauqua State Park. The highway crosses the Des Moines River and enters Keosauqua along Main Street. At Broad Street, Iowa 1 turned north and headed out of town. Between Keosauqua and the southern junction with Iowa 16, the highway runs parallel to the Des Moines River, the river's course bending sharply around Keosauqua. South of Birmingham, Iowa 1 briefly overlaps Iowa 16 for two miles (3.2 km). The next seven miles (11 km) run due north passing through Birmingham, before the highway crosses Cedar Creek south of Fairfield.[1]

On the south side of Fairfield, the highway meets the new U.S. Highway 34 (US 34) / Iowa 163 bypass at a partial cloverleaf interchange. Iowa 1 enters Fairfield along Main Street. For one block, Iowa 1 overlaps US 34 Business on Burlington Street before turning onto Second Street. Along Second Street, the highway passes under a BNSF Railway / Amtrak viaduct.[2] North of the viaduct, Iowa 1 turns west for two blocks along Merrill Avenue and turns north again onto Fourth Street. On the northern edge of Fairfield, the highway passes next to Maharishi International University.

Iowa 1's southbound concurrency with westbound Iowa Highway 78, June 2016

North of Fairfield, Iowa 1 passes the Fairfield Municipal Airport and Maharishi Vedic City. For the next nine miles (14 km), the highway continues due north through Jefferson and Keokuk County. Southeast of Richland, Iowa 1 meets Iowa 78 at a T-intersection. Heading east from this intersection, Iowa 1 and Iowa 78 overlap for seven and a half miles (12.1 km) until entering Brighton on Fountain Street. Iowa 1 splits off to the north onto Benton Street while Iowa 78 turns to the south and east. North of Brighton, it crosses the Skunk River and passes through the river's one-mile-wide (1.6 km) valley. For nine miles (14 km), Iowa 1 passes through southern Washington County heading northeast towards Washington.[1]

At Washington, Iowa 1 intersects Iowa 92 on the southwestern edge of town. The two highways curve around to the north and split three miles (4.8 km) later. Iowa 1 passes through flat farmland before crossing the English River south of Kalona. Iowa 1 skirts the western edge of Kalona and intersects Iowa Highway 22. It continues north for seven miles (11 km) before turning northeast for eight miles (13 km) more towards Iowa City.[1]

Iowa 1 intersects US 218 and Iowa 27, the Avenue of the Saints, at a diamond interchange on the southwestern edge of Iowa City. It curves to the north of Iowa City Municipal Airport, intersecting US 6 at Riverside Drive. For three-quarters mile (1.2 km), Iowa 1 overlaps US 6 on Riverside Drive before crossing the Iowa River in downtown Iowa City.[1] On Burlington Street, Iowa 1 passes the University of Iowa library, the old state capitol, and the Ped Mall. Iowa 1 turns north onto the one-way Governor Street; Dodge Street handles the accompanying southbound lanes of traffic. The one-way streets rejoin as Dodge Street before intersecting Interstate 80 (I-80) at another diamond interchange.

Iowa 1 continues north through Johnson County for twelve miles (19 km), passing through Solon. At Solon, it intersects County Road F16, which provides access to Lake MacBride State Park. Six miles (9.7 km) southwest of Mount Vernon, Iowa 1 turns to the northeast, entering Linn County and crossing the Cedar River before entering Mount Vernon, where it intersects US 30. At First Street, Iowa 1 crosses the Lincoln Highway. On the northern edge of Mount Vernon, Iowa 1 crosses a major Union Pacific Railroad line.[2] Iowa 1 continues north towards Martelle, where it enters Jones County. three and a half miles (5.6 km) northeast of Martelle, Iowa 1 ends at a partial cloverleaf interchange with US 151.[1]

History

"Dillon's Furrow" redirects here. For U.S. Route 161, see U.S. Route 161 § History.

The current Iowa 1 was designated in the 1926 Iowa highway renumbering, extending from Iowa 3 near Keosauqua to US 32 in Iowa City as a renumbering of a portion of Primary Road No. 11.[3] Iowa 3 was renumbered Iowa 2 in 1941 to match Nebraska's highway. In 1930, it extended east to Iowa 38 in Rochester; it replaced Iowa 139.[4] In 1962, Iowa 1 was realigned north of Iowa City replacing Iowa 261 from Anamosa to Iowa City.[5] This section approximately follows part of the route of the territorial and military road from Dubuque to Iowa City. This road, authorized by President Martin Van Buren in 1839, was known as Dillon's Furrow, named after Dubuque merchant Lyman Dillon who surveyed the route and marked it with a furrow.[6] Most of the deviations of the route of Iowa 1 from Dillon's original route are the result of road straightening or bypasses around town centers. The leftover section of Iowa 1 from Iowa City to Iowa 38, part of the Herbert Hoover Highway,[7] became the unsigned Iowa 979.

In 1997, it was announced that parts of US 151 and Iowa 1 would become the first Super two highways in Iowa.[8] A 42-mile (68 km) section between Washington and US 30 was to be improved in 2002, but because of funding shortages, the project was scratched.

In the Iowa flood of 2008, flood waters of the Cedar River caused the closure of Iowa 1 between Solon and Mount Vernon on June 12, 2008.[9] Once the floods receded, major damage was left behind. Repair work began on July 11 and was completed by July 30, 2008.[10]

Major intersections

CountyLocationmi[11]kmDestinationsNotes
Van BurenDes Moines–Vernon
township line		0.0000.000 Iowa 2 – Farmington, Cantril
Van Buren Township10.35816.670

 Iowa 16 east to US 218		Southern end of Iowa 16 overlap
Lick Creek–Union
township line		12.57220.233
 Iowa 16 west – Eldon		Northern end of Iowa 16 overlap
JeffersonFairfield22.99237.002 US 34 / Iowa 163 – Ottumwa, Mount Pleasant
24.57939.556

 US 34 Bus. east (Burlington Avenue)		Southern end of US 34 Business overlap
24.64539.662

 US 34 Bus. west (Burlington Avenue)		Northern end of US 34 Business overlap
Black Hawk Township33.49453.903 CR H17 – PackwoodFormer Iowa 356
KeokukRichland Township36.63858.963
 Iowa 78 west – Richland		Southern end of Iowa 78 overlap
WashingtonBrighton44.24671.207
 Iowa 78 east – Wayland		Northern end of Iowa 78 overlap
Washington54.79088.176
 Iowa 92 east (Madison Street) – Washington, Columbus Junction		Southern end of Iowa 92 overlap
Cedar–Jackson–
Washington township tripoint		57.85793.112
 Iowa 92 west / CR G36 – Sigourney		Northern end of Iowa 92 overlap
Kalona68.115109.620 Iowa 22 – Riverside, Wellman
JohnsonIowa City83.252133.981
 US 218 / Iowa 27 – Cedar Rapids, Mount Pleasant
85.171137.069
 US 6 east – West Liberty		Southern end of US 6 overlap
85.911138.260
 US 6 west (Riverside Drive)		Northern end of US 6 overlap
89.553144.122 I-80 – Davenport, Des Moines
Solon98.266158.144 CR F16 – Lake Macbride State ParkFormer Iowa 382
LinnMount Vernon107.019172.230 US 30 – Lisbon, Cedar Rapids
107.481172.974Lincoln HighwayRoundabout; former US 30
107.959173.743 Lincoln Highway Heritage BywayFormer Iowa 974, US 30
JonesFairview Township119.312192.014 US 151 / CR E34 – Cedar Rapids, Dubuque
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

  1. ^ a b c d e f 2014 Volume of Traffic on the Primary Road System of Iowa (PDF) (Report). Iowa Department of Transportation. January 1, 2014. Retrieved September 10, 2015.
  2. ^ a b Iowa Department of Transportation (1 July 2008). "Iowa State Railroad Map" (PDF). Retrieved February 7, 2010.
  3. ^ Official Auto Trails Map (Map). 1:1,081,344. Rand McNally. 1921. p. 330-331.
  4. ^ Road and Reference Atlas (Map). 1:1,077,120. Rand McNally & Company. 1947. pp. 42–43.
  5. ^ 1963 Iowa State Highway Map (PDF) (Map). Iowa State Highway Commission. Retrieved April 1, 2010.
  6. ^ Iowa Department of Transportation (c. 1999). "Discovering Historic Iowa Transportation Milestones" (PDF). p. 5. Retrieved February 6, 2010.
  7. ^ "Iowa Registered Highway Routes 1914-1925" (PDF). Iowa Department of Transportation. 1986. Retrieved November 28, 2009.
  8. ^ Boshart, Rob (December 17, 1997). "2 roads on 'Super' list". The Gazette. Cedar Rapids.
  9. ^ Iowa Department of Transportation (June 12, 2008). "Iowa roadways remain closed due to flooding- 2:45 p.m. Update". Retrieved February 7, 2010.
  10. ^ "Busy section of Highway 1 re-opened in Eastern Iowa". Radio Iowa. July 30, 2008. Retrieved October 25, 2009.
  11. ^ "Road Network (Portal)" (ESRI shapefile). Ames: Iowa Department of Transportation. April 9, 2021. Retrieved August 18, 2021.

External links

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