Iowa Highway 8

Iowa Highway 8 is a state highway that runs from east to west in east central Iowa. Highway 8 is a short state highway in Iowa, at only 14 miles (23 km) long. Iowa 8 begins at an intersection with U.S. Route 63 in Traer and ends at an intersection with U.S. Route 218 northwest of Garrison. The route has largely remained the same since its designation.

Iowa Highway 8
Iowa 8 highlighted in red
Route information
Maintained by Iowa DOT
Length13.961 mi[1] (22.468 km)
Major junctions
West end US 63 in Traer
  Iowa 21 at Dysart
East end US 218 near Garrison
Location
Counties
Highway system
← Iowa 7Iowa 9 →

Route description

Iowa 8 begins in downtown Traer at an intersection with US 63. As it exits the small community, it turns to the southeast and then again to the east, forming a long S curve. Through Tama County, the highway travels over a plain with farmland on either side of the road.[2] Two miles (3.2 km) west of Dysart, the road is intersected by Iowa 21, which joins Iowa 8 from the north. For the next 2.5 miles (4.0 km), the two highways run together until they reach the eastern limits of Dysart, which is also the Tama–Benton county line. Now in Benton County, the Iowa 8 continues due east. The final three miles (4.8 km) of the route are much hillier than the preceding ten miles (16 km).[3] The highway ends at the midpoint of a 90-degree turn along US 218 northwest of Garrison.[1]

History

Prior to becoming a primary highway, Iowa 8's route was a part of the Diagonal Trail, which connected Sioux Falls, South Dakota, and Danville, Illinois. Through Iowa, it passed through Davenport, Cedar Rapids, Iowa Falls, Spencer, and Spirit Lake.[4] The Diagonal Trail was registered with the Iowa State Highway Commission on December 4, 1918.[5] When the primary highway system was created, a portion of the Diagonal Trail was assigned Primary Road No. 58.[6] This portion of Primary Road No. 58 (which was truncated) was renumbered Iowa 8 in the 1926 Iowa highway renumbering. Since its designation, the route mostly has remained unchanged. Two sharp curves east of Traer were eliminated for a straighter route with one more-gradual curve.[7]

Major intersections
CountyLocationmi[1]kmDestinationsNotes
TamaTraer0.0000.000 US 63 (Main Street) – Waterloo, Toledo
Clark Township6.30110.140 Iowa 21 north – WaterlooWestern end of Iowa 21 overlap
Tama–Benton
county line		Dysart8.79014.146 Iowa 21 south (Holsted Street) / CR V37 north – DysartEastern end of Iowa 21 overlap
BentonMonroe Township13.96122.468 US 218 – La Porte City, Vinton
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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References
  1. 2009 Volume of Traffic on the Primary Road System of Iowa (PDF) (Report). Iowa Department of Transportation. January 1, 2009. Retrieved October 2, 2010.
  2. Google (February 6, 2014). "StreetView of Iowa Highway 8 east of Traer" (Map). Google Maps. Google. Retrieved February 6, 2014.
  3. Iowa Geographic Map Server. "24K Topographic Maps". Iowa State University. Retrieved February 6, 2014.
  4. Iowa Department of Transportation. "Diagonal Trail". Retrieved October 2, 2010.
  5. Iowa Department of Transportation (1986). "Iowa Registered Highway Routes 1914–1925" (PDF). Retrieved October 2, 2010.
  6. Junior Road Map: Eastern Iowa (Map). Rand McNally & Company. 1926. Retrieved October 2, 2010.
  7. Iowa Geographic Map Server. "1930s Aerial Photos". Iowa State University, USDA. Retrieved October 2, 2010.
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