US 83 in South Dakota
US 83 is a US Highway in the US state of South Dakota. The road forms a north-south route through the center of the state, from the border with Nebraska through the capital Pierre to the border with North Dakota. US 83 is 386 kilometers long in South Dakota.
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US 83 near Pierre.
US 83 in Nebraska comes from remote Valentine and heads north to Interstate 90 at Murdo. Then US 83 goes east on I-90 for about 30 kilometers to Vivian and then is a divided highway of more than 50 kilometers to the capital Pierre. In Pierre there is a double numbering with the US 14 and one crosses the Missouri River. Farther north, the route heads through prairie country north through Selby to the North Dakota border. US 83 in North Dakota continues toward Bismarck.
US 83 at Walworth in northern South Dakota.
US 83 was created in 1926 and then consisted of two parts. The northern section ran from Pierre to Bismarck, thus connecting two capitals of South and North Dakota. In 1931, both routes were connected and US 83 was created through southern South Dakota. The route is of some through importance, mainly because it is the only north-south road in the wider region, but the lack of larger towns means there isn’t much traffic. Around 2000 – 2005 US 83 between I-90 and Pierre doubled into a divided highway. Because there are virtually no intersecting roads, this is in fact a level freeway.
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US 83 near Murdo.
Every day, 2,400 vehicles drive on the border with Nebraska and 1,800 – 1,900 vehicles between Mission and I-90. From Vivian to Pierre, 2,100 to 2,600 vehicles drove on the 2×2 section and 3,000 vehicles east of Pierre on the double numbering with US 14. Further north, the intensities often vary from 900 to 1,200 vehicles, sometimes slightly higher at larger villages.
US 85 in South Dakota
US 85 is a US Highway in the US state of South Dakota. The road forms a north-south route through the west of the state, from the Wyoming border through Spearfish to the North Dakota border. US 85 is 246 kilometers long in South Dakota.
US 85 in Wyoming comes from Newcastle and heads north through the Black Hills. An alternate route of US 14 is crossed around Lead. At Spearfish you cross the Interstate 90. The route is then about 20 kilometers a divided highway to Belle Fourche, where the US 212 crosses. Farther north, US 85 leads through lonely territory, with no more than a few villages on the remaining 100 miles to the North Dakota border. US 85 in North Dakota then continues toward Williston.
US 85 was created in 1926. The route through South Dakota has not changed since then. The road mainly leads north of Belle Fourche through a very isolated area and is often the only paved road in the wider area. In 1991 the road was designated as part of the Theodore Roosevelt Expressway. In 2005, US 85 between I-90 and Belle Fourche doubled as a divided highway.
500 vehicles drive daily in the Black Hills, rising to 6,800 vehicles between Lead and I-90. 6,500 vehicles ran between I-90 and Belle Fourche, then descending to 1,600 vehicles north of Belle Fourche and 900 vehicles at the North Dakota border.