South Dakota Highway 19

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Highway 19
Map of South Dakota with SD 19 in red
Route information
Maintained by SDDOT
Length	86.974 mi[1] (139.971 km)
Existed	1926[citation needed]–present
Major junctions
South end	N-15 at the Nebraska state line south of Vermillion
Major intersections	SD 19A / SD 46 south of Centerville SD 46 east of Irene US 18 south of Hurley SD 44 from southeast of Parker to Parker SD 42 northeast of Monroe I-90 west of Humboldt SD 38 from west of Humboldt to Humboldt
North end	SD 34 southeast of Madison
Location
Country	United States
State	South Dakota
Counties	Clay Turner Minnehaha Lake
Highway system
South Dakota State Trunk Highway System Interstate US State
← SD 18 → SD 20

South Dakota Highway 19 (SD 19) is a 86.974-mile (139.971 km) state highway in southeastern South Dakota, United States. It connects the Nebraska state line, south of Vermillion, with the southeastern part of the Madison area, via Viborg, Hurley, Parker, and Humboldt. SD 19 formerly entered Centerville, but was shifted to the south. Its former path was redesignated as SD 19A. Its former southern terminus was at Vermillion, but was extended when a new bridge from Nebraska opened.