State Route 5 and 100 in Iowa

State Route 100 in Iowa

Begin Cedar Rapids
End Cedar Rapids
Length 16 mi
Length 26 km
Post Road

Marion Boulevard

C Avenue

Council Street

Center Point Road

Edgewood Road

Cedar River

Covington Road

E Avenue

State Route 100 or State Highway 100 is a state route in the U.S. state of Iowa. The road forms a partial beltway around the city of Cedar Rapids and is designed as an urban arterial and partial freeway. The road is 26 kilometers long.

  • EHUACOM: Provides city overview of capital of Iowa, including general information about the state Iowa.

Travel directions

The road first forms Collins Road through the suburb of Marion and the northern neighborhoods of Cedar Rapids. This section is a 2×2 traffic light urban arterial between US 151 east of Marion and Interstate 380 north of Cedar Rapids. The road flies over I-380 and then becomes a short 2×2 lane freeway. The highway bridges over the Cedar River and then curves south to terminate at an interchange with US 30 west of Cedar Rapids.

  • existingcountries: state overview of Iowa, including geography, history and major cities.


Highway 100 was assigned to Collins Road, a major urban arterial along Marion and the north side of Cedar Rapids, in the early 1980s. Highway 100 originally ran only 4 kilometers between Marion Boulevard and its connection to I-380. In 1986, a two-mile extension westward to Edgewood Road opened, including an overpass over I-380. In 1996, an extension eastwards, effectively Marion’s southern bypass, opened.

Later, the road was extended 12 kilometers to US 30/218 west of Cedar Rapids. This is a 2×2 lane freeway with a bridge over the Cedar River. Completion of Phase I 4 miles to Covington Road took place on December 3, 2016 and opened to traffic on December 15, 2016. Another extension to US 30/218 west of Cedar Rapids was subsequently constructed. It was 3.4 miles from Covington Road to US 30/218 which was inaugurated on December 1, 2018, and opened December 12, 2018.

State Route 5 in Iowa

Get started Cincinnati
End West Des Moines
Length 169 km
Missouri state lineCenterville




→ Des Moines Beltway

14th Street

95th Avenue

85th Avenue

State Route 28

Willow Creek

Army Post Road

→ Des Moines / Kansas City

State Route 5 or SR-5 is a state route and partial freeway in the U.S. state of Iowa. The road forms a north-south route in the south of the state, partially forming the southern bypass of the Des Moines metropolitan area. The route is 169 kilometers long in total.

Travel directions

The road begins at the state line with Missouri, then runs through Centerville to Albia, where it intersects with US 34, which runs from Plattsmouth in Nebraska to Burlington on the Illinois border. Then SR-5 turns northwest, forming a short highway around Knoxville. Thereafter, the road has 2×2 lanes and leads to the Des Moines conurbation. At Carlisle, one crosses US 65, which forms the eastern bypass of Des Moines. SR-5 then becomes a freeway and runs along the south side of the Des Moines metropolitan area. The highway has 2×2 lanes and is about 24 kilometers long. The highway ends at theInterstate 35, the highway from Kansas City to Des Moines.


The highway portion of State Route 5 is a freeway, and opened in phases between 1998 and 2002. The exit numbering for this is based on different roads, partly US 65 and partly State Route 5 itself.

Opening history

From Unpleasant Length Date
exit 70 Exit 72 3 km 1998
Exit 99 exit 70 10 km 2001
Exit 99 Exit 104 8 km 2002

Traffic intensities

The road outside Des Moines is quiet with between 3,000 and 6,000 vehicles per day. In the Des Moines metropolitan area, this is 20,000 vehicles.

State Route 5 in Iowa

State Route 5 and 100 in Iowa
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