Interstate 29 in South Dakota

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Interstate 29 Main route of the Interstate Highway System
Maintained by South Dakota Department of Transportation
Length:	252.50 mi[1] (406.36 km)
West end:	I-29 at Iowa state line
Major junctions:	I-229 in Sioux Falls I-90 near Sioux Falls
East end:	I-29 at North Dakota state line
South Dakota numbered highways < SD 28 SD 30 >

In the U.S. state of South Dakota, Interstate 29 traverses on the eastern side of the state, bypassing through Sioux Falls, the state's largest city.

Contents 1 Route description 1.1 Consolidated law 2 Exit list 3 References

[edit] Route description

Interstate 29 crosses over the Iowa state line at the Big Sioux River and enters in Union County. Its first city, North Sioux City can be accessed from exit 2. The route then runs northwest until its interchange at exit 26, South Dakota Highway 50, where the interchange serves the cities of Vermillion and Yankton. It turns north after this exit and heads for Sioux Falls. Before entering the state's largest city, Sioux Falls, it makes a junction with Interstate 229 at exit 75, just right before leaving Lincoln County and entering Minnehaha County. The auxiliary route, I-229, serves the eastern side of the city and is an alternate junction to Interstate 90. In Sioux Falls, I-29 serves the western side of the city.^[2]

After leaving the Sioux Falls city limits, I-29 makes its interchange at exit 84, Interstate 90. Afterwards, it continues north past Brookings, the county seat of Brookings County. At the intersection with South Dakota Highway 28, I-29 turns northwest upon entering Deuel County. After leaving Watertown, the route continues northwest and chips in the northeastern corner of Hamlin County. The route then north after entering Codington County and serves Watertown at exit 177, U.S. Route 212. At exit 180, I-29 makes a junction with U.S. Route 81 and its alignment is cosigned with I-29 from exit 212 all the way to Grand Forks, North Dakota. In Grant and Roberts counties, it traverses through the eastern side of the Sisseton and Wahpeton Indian Reservation. Then the route finally enters the state of North Dakota in Richland County.^[2]

[edit] Consolidated law

The South Dakota section of Interstate 29 is defined in South Dakota Consolidated Laws § 31-4-152.^[3]

[edit] Exit list

County	Location	Mile[4]	#	Destinations	Notes
Union		0.98	1	Dakota Dunes
	North Sioux City	2.48	2	North Sioux City
		4.35	4	North Sioux City, McCook Lake	Serves Adams Homestead and Nature Preserve
		9.50	9	SD 105 south – Jefferson
	Elk Point	15.78	15	I-29 Bus. north – Elk Point
		18.30	18	I-29 Bus. south – Burbank
		26.70	26	SD 50 – Vermillion, Yankton
		31.27	31	SD 48 – Spink, Akron
		38.32	38	Volin	Serves Union Grove State Park
		42.31	42	Alcester, Wakonda
	Beresford	47.30	47	SD 46 – Beresford, Irene	Serves Fort Randall Dam
Lincoln
		50.31	50	Centerville, Hudson
		53.32	53	Viborg
		56.33	56	Fairview
		59.33	59	US 18 west – Davis, Hurley	South end of US 18 overlap
		62.35	62	US 18 east – Canton	North end of US 18 overlap
		64.33	64	SD 44 – Worthing
		68.35	68	Lennox, Parker
		71.36	71	Harrisburg
		73.38	73	Tea
	Sioux Falls	75.19	75	I-229 north
Minnehaha		77.26	77	41st Street	Serves Augustana College and University of Sioux Falls
		78.12	78	26th Street	Serves National American University
		79.26	79	SD 42 (12th Street/Downtown)
		80.29	80	Madison Street, Ellis	Serves W.H. Lyon Fairgrounds
		81.32	81	Russell Street, Maple Street – Arena and Convention Center
		82.41	82	Benson Road
		83.38 83.70	83	SD 38 west (60th Street north) – Sioux Falls Regional Airport
		84.15	84	I-90 east – Albert Lea	Signed as exits 84A (east) and 84B (west)
		86.40	86	Renner, Crooks
		94.49 94.71	94	Baltic, United States Geological Survey, EROS Data Center, Lyons
		98.47	98	SD 115 south – Dell Rapids, Colton
Moody		104.81	104	Trent, Chester
		109.83	109	SD 34 – Madison, Colman, Egan
		114.82	114	SD 32 – Flandreau
		121.83	121	Nunda, Ward, Rest Area
Brookings		127.80	127	Image:SD 324.svg SD 324 – Elkton, Sinai, Medary
	Brookings	132.79	132	I-29 Bus. / US 14 – Brookings, Huron, Aurora, Bushnell
		133.78	133	US 14 Bus. – Volga, Arlington
		140.77	140	Image:SD 140.svg SD 140 – White, Bruce
Deuel		150.87	150	SD 28 – Toronto, Estelline
		157.63	157	Brandt
Deuel, Hamlin		164.53	164	SD 22 – Castlewood, Clear Lake
Codington	Watertown	177.93	177	US 212 – Watertown, Kranzburg
		180.94	180	US 81 south – Watertown	South end of US 81 overlap
		185.95 186.23	185	Waverly
		193.02	193	SD 20 – South Shore, Stockholm
Grant		201.05	201	Twin Brooks
Roberts		207.29	207	US 12 – Aberdeen, Milbank
		213.87	213	SD 15 – Wilmot
		224.02	224	Peever
		232.07	232	SD 10 - Sisseton, Browns Valley
		242.02	242	(no name)
		246.42	246	SD 127 – New Effington, Rosholt

[edit] References

Interstate 29
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