South Dakota Highway 65
# South Dakota Highway 65

South Dakota Highway 65 (SD 65) is a state route in north-central region of the U.S. state of South Dakota. It begins at U.S. Highway 212 east of Dupree, then runs northerly to the North Dakota border near McIntosh, where it continues as North Dakota Highway 31. It is about 68 miles (109 km) in length.

## History

When first designated in the 1920s, South Dakota 65 consisted of three segments, one stretching from the North Dakota border to the Grand River, one from an intersection with South Dakota Highway 18 in Isabel to an intersection with US 212 in Dupree, and the final segment stretching from US 16 in Kadoka to the Nebraska border south of Martin.

Construction of a new road led to the connection of the two northern segments by 1932. The segment south of US 16 was re-designated as an extension of South Dakota Highway 63 in 1929.

## Major intersections

| County | Location | mi | km | Destinations | Notes |
| - | - | - | - | - | - |
| Ziebach | ​ | 0.000 | 0.000 | US 212 – Dupree, Eagle Butte | |
| Ziebach–Dewey county line | ​ | 25.190 | 40.539 | SD 20 west – Glad Valley | Southern end of SD 20 concurrency |
| Dewey | Isabel | 28.670 | 46.140 | SD 20 east – Timber Lake | Northern end of SD 20 concurrency |
| Corson | ​ | 66.054 | 106.304 | US 12 east – McLaughlin | Southern end of US 12 concurrency |
| Corson | ​ | 69.560 | 111.946 | US 12 west – Lemmon | Northern end of US 12 concurrency |
| Corson | ​ | 70.845 | 114.014 | ND 31 north – Raleigh, Mandan | Continuation into North Dakota |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus ||||||

## Legal definition

The route of SD 65 is defined in South Dakota Codified Laws § 31-4-174.

