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|
 Highway 42 | ||||
|---|---|---|---|---|
 Route of SD 42 (in red) | ||||
| Route information | ||||
| Maintained by SDDOT | ||||
| Length | 71.973 mi[1] (115.829 km) | |||
| Western segment | ||||
| Length | 5.870 mi (9.447 km) | |||
| West end |  US 281 in Aurora County | |||
| East end | Aurora–Davison county line | |||
| Central segment | ||||
| Length | 59.231 mi (95.323 km) | |||
| West end |  SD 37 west of Ethan | |||
| Major intersections |  US 81 in McCook County | |||
| East end | Sioux Falls | |||
| Eastern segment | ||||
| Length | 6.872 mi (11.059 km) | |||
| West end | Six Mile Road in Sioux Falls | |||
| East end |  Iowa 9 west of Benclare | |||
| Location | ||||
| Country | United States | |||
| State | South Dakota | |||
| Counties | ||||
| Highway system | ||||
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South Dakota Highway 42 (SD 42) is a segmented state highway in southeastern South Dakota, United States. The first segment is a six-mile-long (9.7 km) highway in Aurora County. The second and longest is 60 miles (97 km) long and connects Ethan and Sioux Falls. The final segment connects Sioux Falls to Iowa Highway 9 southeast of Rowena.
- ^ "State Highway Log" (PDF). Mitchell region: South Dakota Department of Transportation. January 2011. pp. 100–104. Retrieved December 21, 2011.