I-380 South - Waterloo to Urbana

U.S. 218 transitions from the Leo P. Rooff Expressway into Interstate 380 south of Mitchell Avenue in Waterloo. The freeway commences with four southbound lanes to Exit 72 with San Marnan Drive.

12/29/23

San Marnan Drive stems west from parallel Texas Street near the Riverview neighborhood to Crossroads Mall and the Hurst neighborhood across southern Waterloo.
I-380 and U.S. 218 separate in one mile at Exit 71 with U.S. 20/Iowa 27 (Avenue of the Saints).

12/29/23

The first confirming marker for Interstate 380 stands within the diamond interchange (Exit 72) at San Marnan Drive.

12/29/23

Interstate 380 south takes Exit 71 to combine with U.S. 20 east / Iowa 27 south across the Cedar River. U.S. 20 straddles the south side of Waterloo as a freeway west to the Audubon neighborhood and east to Evansdale.

12/29/23

The Avenue of the Saints corridor coincides with U.S. 20 west to Cedar Falls, where Iowa 27 turns north to UNI and Cedar Falls. U.S. 20 extends west along a freeway toward Iowa Falls and Webster City.

12/29/23

I-380/U.S. 20 overlap for 5.6 miles east through Evansdale and beyond Raymond. U.S. 20 east joins Waterloo with Dubuque on the Mississippi River.

05/02/20

A high flyover joins I-380 south with U.S. 20 east / Iowa 27 south. A cloverleaf interchange completes the rest of the movements here.

05/02/20

Interstate 380, U.S. 20 and Iowa 27 (Avenue of the Saints) cross the Cedar River into the city of Evansdale. Deerwood Park lines the north side of the freeway to Exit 70 with River Forest Road north.

05/08/10

River Forest Road spurs north from Exit 70 to parallel the Cedar River to Lafayette Road.

05/08/10

A trumpet interchange (Exit 70) joins River Forest Road with Interstate 380, U.S. 20 and Iowa 27.

05/08/10

Interstate 380 passes just north of the Cedar River by this shield assembly preceding Elk Run.

05/02/20

The four lane freeway advances east to a diamond interchange (Exit 68) with Evansdale Drive.

05/08/10

Evansdale Drive heads east from McCoy Road and an adjacent subdivision to link I-380/U.S. 20 with Gilbertville Road south of Elk Run Heights.

05/08/10

Interstate 380, U.S. 20 and Iowa 27 curve southeast by the settlement of Raymar to Gilbertville Road.

05/08/10

Raymond Road (former Iowa 297) travels south from the city of Raymond to meet Interstate 380 at a diamond interchange (Exit 66) in one mile.

05/08/10

I-380/Iowa 27 separate from U.S. 20 east in two miles at an unnumbered directional-T interchange.

05/08/10

Exit 66 departs I-380/U.S. 20 east for County Route V49 (Raymond Road) north to Dubuque Road (old U.S. 20) in Raymond. CR V49 continues south 1.75 miles into the city of Gilbertville.

05/08/10

I-380/Iowa 27 (Avenue of the Saints) turn southeast from U.S. 20 to Urbana, Center Point and Cedar Rapids. The Avenue of the Saints corridor extends south from Coralville and Iowa City to Mount Pleasant and St. Louis, Missouri.

05/08/10

U.S. 20 remains a freeway east to Independence and Manchester. Once at Delaware, U.S. 20 transitions into an expressway en route to Dyersville and Dubuque.

05/08/10

I-380/Iowa 27 continue through rural areas of southeastern Black Hawk County.

05/08/10

Gilbertville lies west of I-380 via County Route D38 (Poyner Road) at the succeeding exit while Cedar Rapids lies 44 miles to the southeast.

05/08/10

CR D38 follows Poyner Road west from Exit 62 to become 10th Avenue in Gilbertville. The route emerges west of the city along Washburn Road en route to Iowa 21.

05/08/10

Fenton Road parallels the west side of I-380 where the freeway curves ahead of Indian Creek.

05/08/10

Southbound I-380/Iowa 27 at the diamond interchange (Exit 62) with Black Hawk County Route D38 (Poyner Road). Poyner Road progresses east of Exit 62 another 3.5 miles to CR V62 (Jesup Road) in Fox township.

05/08/10

Black Hawk County Route V51 (Canfield Road) spans I-380/Iowa 27 beyond this shield assembly.

05/08/10

Despite its location north of U.S. 20 in adjacent Buchanan County, Jesup at 14 miles is the next destination along I-380 south. Cedar Rapids is 42 miles to the southeast.

05/08/10

I-380/Iowa 27 south traverse agricultural areas across both Fox and Spring Creek townships.

05/08/10

Interstate 380 south ahead of the Jesup Road (CR V62) overpass.

05/08/10

County Route V65 (Buchanan Avenue) converges with Interstate 380 at a diamond interchange (Exit 55) in one mile.

05/08/10

CR V65 straddles the Buchanan County line north one mile before curving east a half mile en route to Shady Grove and Jesup. Southward, CR V65 ties into CR D48, a highway between La Porte City and Brandon.

05/08/10

Interstate 380 enters southwestern Buchanan County at Exit 55.

05/08/10

Reassurance markers posted south of County Route V65. 15,900 vehicles per day (vpd) were recorded on this stretch by IowaDOT in 2013 and 17,700 vpd in 2022.

05/08/10

A southbound weigh station along I-380/Iowa 27 operates beyond Mud Creek.

05/08/10

The lone exit in Buchanan County connects I-380/Iowa 27 with the city of Brandon, located six miles to the south. Cedar Rapids is 35 miles away.

05/08/10

I-380 south lowers across Mud Creek ahead of the weigh station. A companion northbound facility is located 1.5 miles to the east.

05/08/10

Buchanan County Route D48 meanders east from the Black Hawk County line to the city of Brandon via West Street. Main Street east becomes 330th Street and the continuation of the county road to Interstate 380 at Exit 49.

05/08/10

East of the diamond interchange (Exit 49) with I-380, CR D48 (330th Street) travels another 3.5 miles to Iowa 150 in Homer township. 330th Street was historically a part of Iowa 283 until July 1, 2003.¹

05/08/10

Confirming markers for I-380/Iowa 27 (Avenue of the Saints) south preceding Bear Creek.

05/08/10

Vinton is listed as the next destination city via Iowa 150 south. It is however a shorter drive to the Benton County seat via CR D48 west to CR V71 south from Exit 49.

05/08/10

Interstate 380 angles across the northeast corner of Benton County.

05/08/10

An S-curve takes Interstate 380 across Prairie Creek in north Polk township.

05/08/10

Iowa 150 travels 14 miles south from Independence to meet I-380/Iowa 27 at a diamond interchange (Exit 43) in one mile.

05/08/10

Exit 43 serves the north side of Urbana and BECCA Industrial Park. Iowa 150 (31st Avenue) runs along the western city limits southward to Sunset Street, where it turns west along 55th Street.

05/08/10

Iowa 150 (31st Avenue) heads west from Exit 43 to Vinton Veterans Memorial Airport (VTI) and south 13 miles to the city of Vinton. Historically Iowa 150 through Urbana was a part of Iowa 101 until 1984.²

05/08/10

The four lane freeway travels within the Urbana city limits between Exits 43 and 41.

05/08/10

Sunset Street forms a north bypass of the Urbana city center between Iowa 150 (55th Street) and I-380/Iowa 27 at Exit 41. The roadway was built in conjunction with the freeway to replace an alignment further south along Maple Street.

05/08/10

A diamond interchange joins I-380/Iowa 27 with Urbana east of City Hall. The blank space on guide signs for Exit 41 displayed a shield for Iowa 363. Decommissioned on July 1, 2003, Iowa 363 was a short route that linked Urbana with Iowa 150.³

05/08/10

Interstate 380 traverses a series of hills beyond Urbana to the Linn County line.

05/08/10

Center Point, a bedroom community of over 2,500, is next along I-380 south in seven miles. Cedar Rapids follows in another 14 miles.

05/08/10

County Route E2W crosses Interstate 380 just west of Blue Creek beside the Linn County line.

05/08/10