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Interstate 380 (Iowa): Wikis

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I-380 (IA).svg
Interstate 380
Auxiliary route of the Interstate Highway System
Maintained by IADOT
Iowa's Interstate Highways with I-380 highlighted in red.
Iowa's Interstate Highways with I-380 highlighted in red.
Length: 73.05 mi[1] (117.56 km)
Formed: 1973-1985
South end: I-80 / US 218 / IA 27 near Iowa City
Major
junctions:
US 30 in Cedar Rapids
US 20 in Black Hawk
North end: US 218 in Waterloo
Iowa State Highways
< IA 376 IA 386 >

Interstate 380 (abbreviated "I-380") is a 73-mile (117 km) spur route located in eastern Iowa. From Interstate 80 and U.S. Highway 218 in rural Johnson county, it stretches north and northwest to Waterloo, serving to connect both Cedar Rapids and Waterloo—Iowa's second- and fifth-largest cities—to the Interstate Highway System.

Except for the last 1½ miles between U.S. Highway 20 and its northern terminus at Mitchell Avenue in Waterloo, I-380 runs concurrent with Iowa Highway 27 as part of the 560-mile (900 km) Avenue of the Saints connecting St. Louis, Missouri with St. Paul, Minnesota.

Contents

Route description

Interstate 380 begins in Johnson County, Iowa, just west of Coralville and Iowa City when northbound U.S. 218 crosses Interstate 80 flanked by a tight, cloverleaf interchange (“tight” because each year, a few big rigs overturn in the midst of negotiating its southwest loop ramp). At this point, U.S. 218 takes a back seat as I-380 becomes the primary route for the next 71 miles (114 km) on the Avenue of the Saints. As I-380 is part of the Avenue of the Saints, it is cosigned as Iowa Highway 27 .

Thirteen miles into its northward course, and shortly after crossing into Linn County, I-380 passes to the east of the Eastern Iowa Airport and enters the city of Cedar Rapids where, after the U.S. 30 interchange, it will wind through downtown and offer some ten to twelve exits (depending on how they're counted) to serve greater Cedar Rapids. I-380 crosses the Cedar River in downtown Cedar Rapids.

Just beyond Cedar Rapids and Hiawatha, the County Home Road exit 28 serves the towns of Toddville and Robins and Interstate 380 veers northwestward toward Center Point. Soon thereafter, it clips the corners of Benton and Buchanan counties before entering Black Hawk County, the last of five to be visited on the journey.

Three miles over the Black Hawk County line, northbound I-380 turns due west near mile-marker 65 as it joins westbound U.S. 20 for approximately six miles. After parting ways with U.S. 20, the Avenue of the Saints and IA 27, I-380 heads northward for its last mile-and-a-half. Just beyond mile-marker 73, Interstate 380 meets its northern terminus in Waterloo at Mitchell Avenue, where it continues as US 218 to Cedar Falls and beyond.

Exit list

County Location # Destinations Notes
Johnson Coralville, Tiffin US 218 south / IA 27 south – Mt. Pleasant, Keokuk Southbound exit and northbound entrance
0 I-80Davenport, Iowa City, Des Moines Signed as exits 0A (east) and 0B (west)
North Liberty 4 CR F28North Liberty
Shueyville 10 CR F12Swisher, Shueyville
Linn Cedar Rapids 13 Ely, Cedar Rapids Airport
16 US 30 / US 151 / US 218 north – Mt. Vernon, Tama North end of US 218 overlap; signed as exits 16A (east) and 16B (west) northbound
17 33rd Avenue Southwest - Hawkeye Downs
18 Wilson Avenue Southwest
19A
To US 151 Bus. / Diagonal Drive / 5th Avenue Southwest – Downtown Cedar Rapids
Northbound exit and southbound entrance; former IA 94
19B
US 151 Bus. (1st Avenue West)  – Veterans Memorial Stadium, Kingston Stadium
Southbound exit and northbound entrance
19C 1st Street West Northbound exit and southbound entrance
20A
To US 151 Bus. / 1st Street East – Downtown Cedar Rapids
Southbound exit and northbound entrance; former IA 94
20B 7th Street East - U.S. Cellular Center
21 H Avenue, J Avenue
22 Coldstream-29th Street, Glass Road-32nd Street
23 42nd Street Southbound exit is via exit 24
24 IA 100 (Collins Road) / Blairs Ferry Road Signed as exits 24A (IA 100) and 24B (Blairs Ferry Road) northbound
Hiawatha
25 Boyson Road
28 CR E34Toddville, Robins
Center Point 35 CR W36Center Point
Benton Urbana 41 Urbana
43 IA 150Vinton, Independence
Buchanan 49 Brandon
55 CR V65Jesup
Black Hawk
62 CR D38Gilbertville
65 US 20 east – Dubuque South end of US 20 overlap
66 Raymond, Gilbertville
Evansdale 68 Evansdale Drive - Elk Run Heights
70 River Forest Road
Waterloo 71A US 218 south – La Porte City South end of US 218 overlap
US 20 west / IA 27 north – Cedar Falls North end of US 20/IA 27 overlap
72 San Marnan Drive

References

External links

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