Iowa Highway 100
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| Iowa Highway 100 |
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| Collins Road | |||||||||
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| Length: | 8.3 mi[1][2] (13.4 km) | ||||||||
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| Formed: | August 14, 1984[1] | ||||||||
| West end: | Edgewood Road NW in Cedar Rapids | ||||||||
| Major junctions: |
.svg/25px-I-380_(IA).svg.png){kind=small} I-380 in Cedar Rapids .svg/20px-US_151_(IA).svg.png){kind=small} US 151 Bus. in Cedar Rapids |
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| East end: |  US 151 / IA 13 in Marion |
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| Counties: | Linn | ||||||||
| Major cities: | Cedar Rapids, Marion | ||||||||
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Iowa Highway 100 is a state highway located in Linn County, Iowa. The route is located primarily in Cedar Rapids, Iowa and Marion, Iowa. The highway is locally known as Collins Road. Its western terminus is at Edgewood Road N.E. in Cedar Rapids. Its eastern terminus is at U.S. Highway 151 and Iowa Highway 13 in Marion.
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[edit] Route description
Iowa Highway 100 begins at Edgewood Road N.E. in Cedar Rapids. It heads eastward, crossing over I-380 along the way. It intersects with US 151 in Marion as it turns to the southeast. The highway then continues to the east where it will terminate at US 151 and IA 13.
[edit] History
The first Iowa Highway 100 existed from 1920 to June 1958, and was located in southwest Iowa. Its western terminus was originally Griswold, Iowa, later it was extended to Council Bluffs, Iowa. The eastern terminus was at U.S. Highway 71 near Lyman, Iowa.
The second Iowa Highway 100 was established in June 1958, with a western terminus at U.S. Highway 6, and an eastern terminus at U.S. 71 in Cass County, Iowa. Because it was so close to the original Highway 100 route, motorists were confused by its placement, and the state quickly renamed the highway as Iowa Highway 414.
The current Iowa Highway 100 came into being on August 14, 1984. When created, this new highway absorbed part of the old Iowa Highway 150 Route. Originally the western terminus of the highway was located at Interstate 380 at the northern edge of Cedar Rapids, and the eastern terminus was at First Avenue N.E. (Business 151) in Cedar Rapids.[1]
[edit] Future expansion
Currently, plans are under consideration to extend Iowa Highway 100 from Edgewood Road N.W. to the south and west to have it meet with U.S. Highway 30 in western Linn County. This would provide a four lane bypass around the entire city. The proposed expansion has proven to be controversial, with the Linn County Conservation Board worried about environmental impact such an expansion would have on the area - especially the Rock Island Forest Preserve. As a result it is now believed that such an expansion would not be open before 2016.[1][3]
[edit] Major intersections
| County | Location | Mile[1][2] | Roads intersected | Notes |
|---|---|---|---|---|
| Linn | Cedar Rapids | 0.00 | Edgewood Road N.E. | Western terminus |
| 1.50 | I-380 |
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| Marion | 4.20 |  US 151 Bus. / IA 922 |
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| 1.50 | US 151 / IA 13 |
Eastern terminus |
