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Interstate Highways of the Iowa Primary Highway System; Highway markers for I-80, I-380, and I-35 Bus. Loop ... I-80 / U.S. Route 218 / Iowa 27 near Coralville: US ...
Spur route; replaced by an extended Iowa 16, and Iowa 98 was reassigned to the old route of Iowa 16 Iowa 98: 1.814: 2.919 Leando: Iowa 16 near Douds: 1920: 2017 Spur route; originally began at Iowa 8 (later US 34) east of Agency, but was shortened to Iowa 16 near Douds in 1942 (this section became Iowa 16); now County Road V64 Iowa 99
US 34 / US 218 / Iowa 27 / Iowa 163 at Mount Pleasant: 2005: current Serves Mount Pleasant area; former routing of US 34 US 52 Alt. — — US 52 / US 61 / US 151 in Dubuque: US 52 / Iowa 3 in Luxemburg: 1964: 1967 Original routing of US 52; mainline US 52 traffic diverted to allow for repairs on the alternate route US 61 Bus.
Early on, Iowa's registered routes were marked with hand-painted signs created by the group maintaining the highways. When the primary highway system was created, prisoners in Iowa's correctional system began making highway signs. Today, Iowa's highway markers are compliant with standards set forth in the Manual on Uniform Traffic Control Devices.
Since before the Iowa Primary Highway System was created in 1920, the Council Bluffs-to-Davenport, by way of Des Moines, corridor has always been important. Two roughly parallel auto trails, the Great White Way and the River-to-River Road, served cross-state traffic. The two routes were merged into one route, the Whiteway Highway, in 1922. [44]
Interstate 35 (I-35) is a north–south Interstate Highway in the United States that runs from Laredo, Texas, to Duluth, Minnesota. In Iowa , the highway runs from south to north through the center of the state, roughly parallel to U.S. Highway 69 (US 69) and US 65 .
The Iowa State Highway Commission chose to renumber a few highways as to not have conflicting route numbers along important routes. U.S. Highway 63 was designated along Primary Roads No. 13, 24, and 2, which was the Daniel Boone Trail from Missouri to Des Moines. [6]
There are 71 primary Interstate Highways in the Interstate Highway System, a network of freeways in the United States. These primary highways are assigned one- or two-digit route numbers, whereas their associated auxiliary Interstate Highways receive three-digit route numbers. Typically, even-numbered Interstates run east–west, with lower ...