South Dakota Highway 123

Highway 123 marker

Highway 123
Route information
Defined by SDCL §31-4-192
Maintained by SDDOT
Length 10.486 mi[1] (16.876 km)
Major junctions
South end US 12 near Marvin
North end SD 15 in Wilmot
Location
Counties Grant, Roberts
Highway system
  • South Dakota Highways
← SD 116SD 127 →

South Dakota Highway 123 (SD 123) is a 10.486-mile-long (16.876 km) state highway in the U.S. state of South Dakota that runs from U.S. Route 12 (US 12) near Marvin to SD 15 in Wilmot. It is maintained by the South Dakota Department of Transportation (SDDOT), and is not part of the National Highway System.

Route description

SD 123 begins at an intersection with US 12 east of Marvin in Grant County and begins north through open plains. The highway enters Roberts County 4.615 miles (7.427 km) north of its southern terminus and continues north through rolling farmland. North of the county line, the route enters the city of Wilmot. Here, SD 123 meets its northern terminus at an intersection with SD 15.[2][3]

SD 123 is maintained by SDDOT. In 2011, SDDOT measured the amount of traffic on its highways in average annual daily traffic. SD 123 had an average of 217 vehicles, including 31 trucks.[4] The highway is not a part of the National Highway System,[5] a system of highways important to the nation's defense, economy, and mobility.[6]

Major intersections

CountyLocationmi[1]kmDestinationsNotes
GrantOsceola–Kilborn
township line		0.0000.000 US 12 – Webster, MilbankSouthern terminus
RobertsWilmot10.48616.876 SD 15 – Milbank, Interstate 29Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

  1. 1 2 "State Highway Log" (PDF). South Dakota Department of Transportation. January 2012. Retrieved March 3, 2013.
  2. ↑ Google (March 3, 2013). "South Dakota Highway 123" (Map). Google Maps. Google. Retrieved March 3, 2013.
  3. ↑ South Dakota Atlas & Gazetteer. Yarmouth, ME: DeLorme. 2009. pp. 22, 34. ISBN 0-89933-330-3.
  4. ↑ 2011 South Dakota Traffic Flow Map (PDF) (Map). South Dakota Department of Transportation. Retrieved March 3, 2013.
  5. ↑ National Highway System: South Dakota (PDF) (Map). Federal Highway Administration. October 1, 2012. Retrieved March 3, 2013.
  6. ↑ Natzke, Stefan; Neathery, Mike; Adderly, Kevin (September 26, 2012). "What is the National Highway System?". National Highway System. Federal Highway Administration. Retrieved March 3, 2013.

Route map:

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