Business routes of Interstate 29

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Interstate 29 marker

Interstate 29
Highway system

At least five business routes of Interstate 29 are known to exist. These business routes provide access from Interstate 29 to adjacent communities.

Saint Joseph loop[edit]

Interstate 29 Business
LocationSaint Joseph, Missouri

Interstate 29 Business is a Business Loop of Interstate 29 in Saint Joseph, Missouri. It begins at a diamond interchange with Exit 44 (U.S. Route 169 in Missouri), and heads northwest, overlapping that route. After a bridge over a former Chicago, Burlington and Quincy Railroad line (now Burlington Northern and Santa Fe) BL-29 has an intersection with Pear Street, where it turns straight west. Pear Street ends at the intersections of Easton Road and Garfield Avenue, and BL-29 moves northwest onto Garfield Avenue, along the northeast side of the same CB&Q line it crossed over when it overlapped US 169. One block away from intersection with 11th Street across the tracks from the LifeLine Foods factory, northbound BL-29 moves onto 10th Street, while southbound BL-29 runs along 9th Street. Both streets have partial interchanges with US 36. Southbound 9th Street has on-ramps to US 36, while northbound 10th Street has off-ramps from US 36. Through the more formerly industrious downtown St. Joseph, between Mitchell Avenue and Penn Street, both 9th and 10th streets run on the sides of the Pony Express National Museum.[1] The one-way pair ends at Frederick Avenue between Francis and Jules Streets, and BL-29 moves onto Frederick Avenue as it runs northeast. The road turns east at Highly Street near North 25th Street at the Dr. Jacob Geiger House-Maud Wyeth Painter House. Along the way, it passes the Molina Golf Course and runs between the Northwest Missouri Psychiatric Rehabilitation Center and the Glore Psychiatric Museum. US 169 is encountered a second time and BL-29 overlaps Missouri State Route 6, then passes by the East Hills Shopping Mall before finally ends at Exit 47 on I-29, another diamond interchange.

North Sioux City spur[edit]

Interstate 29P Business
LocationNorth Sioux City, South Dakota

Interstate 29 Business is an existing but unsigned Business Spur of Interstate 29 in North Sioux City, South Dakota. It runs from a diamond interchange at Exit 2, east along River Road to Military Highway (former U.S. 77 and SD 105).

Elk Point loop[edit]

Interstate 29 Business
LocationElk Point, South Dakota

Interstate 29 Business is a Business Loop of Interstate 29 in Elk Point, South Dakota. It runs for 2.679 miles between Exits 15 and 18 along a former segment of U.S. Route 77.

Sioux Falls spur[edit]

Interstate 29 Downtown Spur
LocationSioux Falls, South Dakota

Interstate 29 Downtown Spur (a.k.a. I-29 Dwtn.) is a Business Spur of Interstate 29 in Sioux Falls, South Dakota. It runs east from a SPUI interchange at Exit 79 and is overlapped by South Dakota Highway 42 on 12th Street as it crosses a bridge over the Big Sioux River. This section runs through the Emerson section of Sioux Falls and after the intersection with South Grange Avenue, it enters the Folsom's Addition neighborhood, where it curves to the northeast and becomes a one-way pair east of Menlo Avenue. From that point, eastbound I-29 Dwtn./SD 42 run on 11th Street, while westbound the two routes run on 10th Street. I-29 Dwtn. finally terminates at South Dakota Highway 115 (North Minnesota Avenue) on the border between Folsom's Addition and Downtown Sioux Falls. Both routes encounter I-229 Dwtn., which turns from its overlap with SD 115 onto SD 42.

Brookings spur[edit]

Interstate 29 Business
LocationBrookings, South Dakota

Interstate 29 Business is a Business Spur of Interstate 29 in Brookings, South Dakota. It runs west from a diamond interchange at Exit 132 and is overlapped by U.S. Route 14 on 6th Street.


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