South Dakota Highway 123

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Highway 123 marker
Highway 123
467th Avenue
Route information
Maintained by SDDOT
Length10.486 mi[1] (16.876 km)
Existed1975[2]–present
Major junctions
South end US 12 east of Marvin
North end SD 15 / CR 9 in Wilmot
Location
Counties
Highway system
  • South Dakota State Trunk Highway System
← SD 116→ SD 127

South Dakota Highway 123 (SD 123), 467th Avenue, is a 10.486-mile (16.876 km) north–south state highway in Grant and Roberts counties in South Dakota, United States, that connects U.S. Route 12 (US 12) with South Dakota Highway 15 (SD 15).[3]

Route description[]

Grant County[]

SD 123 runs along a two-lane section of 467th Avenue, beginning at an intersection with US 12 in Grant County, about 2.5 miles (4.0 km) east of Marvin. 467th Avenue continues south as a dirt road to connect with County Road 14 and end at County Road 26. US 12 heads westerly to pass by the north side of both Marvin and Summit, before an interchange with Interstate 29/U.S. Route 81 [I‑29/US 81] at Exit 207, then on to its national western terminus in Aberdeen, Washington. US 12 heads easterly to pass north of Twin Brooks, through Milbank, and on to its national western terminus in Detroit, Michigan.

From its southern terminus SD 123 heads north through open plains to cross 146th Street and 145th Street. (Grant County Road 4 runs east along 145th Street from SD 123.) The route then crosses 144th Street just before crossing over an unnamed street and then crosses 143rd Street (Grant County Road 2). The next road crossing is 142nd Street, which runs along the border between Grant and Roberts counties. Within Grant County, SD 123 runs along the border between and civil townships.[3][4]

Roberts County[]

Upon crossing 142nd Street, about 4.6 miles (7.4 km) north of its southern terminus, SD 123 enters Roberts County and almost immediately crosses over another unnamed stream. Continuing north through rolling farmland the route crosses 141st Street (Roberts County Road 11) and then 140th Street (Roberts County Road 18). After crossing 139th Street, SD 15 crosses over one more unnamed stream before crossing 138th Street. Shortly after crossing 137th Street, the route enters the only populated place along the route, the city of Wilmot.

Within Wilmot, SD 123 crosses Ordway, 1st, and 2nd streets before connecting with the west ends of Main, 3rd, and 4th streets before reaching its northern terminus at a junction with SD 15 and Roberts County Road 9 (CR 9) on the northern edge of the city. (Within Roberts County, except for the section within the city of Wilmot, SD 123 runs along the border between and civil townships.) CR 9 continues north along 467th Avenue, on the border between and civil townships, to connect with Roberts County Road 24 before reaching the Minnesota state line, on the edge of the city of Browns Valley, Minnesota. SD 15 heads west, along the border between Springdale and Lee townships to enter the Lake Traverse Indian Reservation and end at a junction with Robert County Road 17 and Roberts County Road 34, just west of SD 15's interchange with I‑29/US 81 at Exit 213. SR 15 heads east to along the border between Garfield and Lake townships to Big Stone Lake, before turning south, passing through the city of Milbank, and eventually ending at an interchange with I‑29/US 81 at Exit 150.[3][4]

Traffic[]

In 2011, the South Dakota Department of Transportation (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.[5] SDDOT's 2018 report does not provide data for SD 123,[6] however, the January 2019 Aberdeen Region Highway Log reports average daily traffic of 197 vehicles for the segment south of Wilmot and 375 vehicles within Wilmot.[1] SD 123 is not a part of the National Highway System,[7] a system of highways important to the nation's defense, economy, and mobility.[8]

Major intersections[]

CountyLocationmi[1]kmDestinationsNotes
Grant–
township line		0.0000.000 US 12 – Milbank, WebsterSouthern terminus
RobertsWilmot10.48616.876 SD 15 – I-29, MilbankNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[]

References[]

  1. ^ a b c "Aberdeen Region Highway Log" (PDF). dot.sd.gov. South Dakota Department of Transportation. 27 Feb 2019. p. 117. Retrieved 20 Oct 2019.
  2. ^ "Highway Division Makes Road Numbering Changes". The Sioux Falls Argus-Leader. March 20, 1975. p. 2 (32). Retrieved March 18, 2020 – via Newspapers.com. open access
  3. ^ a b c Google (27 Oct 2019). "SD-123, South Dakota" (Map). Google Maps. Google. Retrieved 27 Oct 2019.
  4. ^ a b South Dakota Atlas & Gazetteer. Yarmouth, Maine: DeLorme. 2009. pp. 22 & 34. ISBN 0-89933-330-3.
  5. ^ "2011 South Dakota Traffic Flow Map" (PDF) (Map). sddot.com. Pierre, South Dakota: South Dakota Department of Transportation. Archived from the original (PDF) on 10 June 2012. Retrieved 3 Mar 2013.
  6. ^ "2018 South Dakota Traffic Flow Map" (PDF) (Map). dot.sd.gov. Pierre, South Dakota: South Dakota Department of Transportation. Retrieved 27 Oct 2019.
  7. ^ "National Highway System: South Dakota" (PDF) (Map). fhwa.dot.gov. Federal Highway Administration. 25 Mar 2015. Retrieved 27 Oct 2019.
  8. ^ "National Highway System: What is the National Highway System?". fhwa.dot.gov. Federal Highway Administration. 29 Jun 2017. Retrieved 27 Oct 2019.

External links[]

Route map:

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