 Iowa Highway 100 | ||||
|---|---|---|---|---|
 Iowa 100 highlighted in red | ||||
| Route information | ||||
| Maintained by Iowa DOT | ||||
| Length | 16.140 mi[1] (25.975 km) | |||
| Major junctions | ||||
| West end |   US 30 / US 218 near Cedar Rapids | |||
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| East end |   US 151 / Iowa 13 in Marion | |||
| Location | ||||
| Country | United States | |||
| State | Iowa | |||
| Counties | Linn | |||
| Highway system | ||||
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Iowa Highway 100 (Iowa 100) is a state highway located in Linn County, Iowa. The route is located primarily in Cedar Rapids and Marion and is known locally as Collins Road. It begins at US 30 / US 218 in western Cedar Rapids and ends at U.S. Highway 151 / Iowa Highway 13 (US 151 / Iowa 13) in Marion.