South Dakota Highway 127

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Highway 127 marker

Highway 127
Route of SD 127 (in red)
Route information
Defined by SDCL §31-4-193
Maintained by SDDOT
Length: 37.3 mi (60.0 km)
Existed: 1980 – present
Major junctions
South end: SD 10 in Sisseton
North end: ND 127
Counties: Roberts
Highway system
  • South Dakota Highways
SD 123 SD 130

South Dakota Highway 127 (SD 127) is a highway that runs from North Dakota Highway 127, northwest of White Rock to South Dakota Highway 10 in Sisseton. It was commissioned around 1980.


The route that is currently South Dakota 127 was established in 1926 as part of U.S. Highway 81, the Meridian Highway. In 1980, construction of the segment of Interstate 29 was completed north of exit 246, and U.S. 81 was rerouted from this point northward into North Dakota. The old route from I-29 to the North Dakota border near White Rock was designated as South Dakota Highway 127.

In 1984, when construction of I-29 between Peever and New Effington was completed, this segment of U.S. 81 was also routed onto it, and South Dakota 127 was extended along its former alignment, to South Dakota Highway 10 east of Sisseton.[1]

Major intersections[edit]

The entire route is in Roberts County.

Location mi[2] km Destinations Notes
0.000 0.000 SD 10
13.324 21.443 SD 106
20.560 33.088 I-29
37.328 60.074 ND 127 Continuation into North Dakota
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


Route map: Bing / Google

KML is from Wikidata