page_title: Iowa Highway 5
section_title: History
hierarchical_section_title: Iowa Highway 5 / History
caption_attribution_description: Old Iowa&#160;5 dead ends just north of the US&#160;65 bypass northeast of Carlisle, Iowa.
context_page_description: Iowa Highway 5 is a highway in southern Iowa. It is a north–south highway with a length of 105 miles. It is the northernmost segment of a three-state "Highway 5" also involving Missouri Route 5 and Arkansas Highway 5. Portions of the highway are freeway and expressway. It had previously been designated Iowa Highway 60. The southern terminus of Iowa Highway 5 is at the Missouri border southwest of Cincinnati. Its northern terminus is at Interstate 35 at West Des Moines.
context_section_description: Primary Road 5 was designated in 1920 connecting Sioux City and Dubuque.  In 1926, this route was truncated at Fort Dodge and at Le Mars and subsequently extended to Akron in 1929.  From 1945 through 1962, when Iowa 5 was again truncated near Aurelia, Iowa 5 overlapped Iowa 3 for 60 miles (97 km).  This last section of Iowa 5 is now designated Iowa Highway 7.
  The current Iowa 5 was designated on January 1, 1969, along the southern portion Iowa Highway 60.  It was renumbered to provide route number continuity with Missouri Route 5.  In 1978, a bypass of Knoxville was opened carrying Iowa 5 and Iowa Highway 92 around the southern edge of Knoxville.
  In the Des Moines area, Iowa 5 had the same route along Army Post Road from 1969 until 1997, when sections of a southern bypass, completed in 2002, were opened.
caption: Old Iowa 5 dead ends north of the US 65 bypass
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