South Dakota Highway 127

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Highway 127
Route of SD 127 (in red)
Route information
Maintained by SDDOT
Length	37.328 mi[1] (60.074 km)
Existed	1980–present
Major junctions
South end	SD 10 in Sisseton
Major intersections	I-29 / US 81 in Lien Township
North end	ND 127 at South Dakota-North Dakota state line
Location
Country	United States
State	South Dakota
Counties	Roberts
Highway system
South Dakota State Trunk Highway System Interstate US State
← 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.^{[citation needed]}

The entire route is in Roberts County.

Location	mi[1]	km	Destinations	Notes
Sisseton	0.000	0.000	SD 10 – I-29, Browns Valley
Minnesota Township	13.324	21.443	SD 106 – Claire City, Veblen
Lien Township	20.560	33.088	I-29 / US 81 – Sisseton, Hankinson
White Rock Township	37.328	60.074	ND 127 – Fairmount, Wahpeton	Continuation into North Dakota
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

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