Latitude: 44.1165 (44°6′0″N), Longitude: -103.0844 (103°5′4″W)
- Alternative Name: Purple Heart Memorial Highway
- Bicycles access: No
- Walking: No
- Horse access: No
- Lanes: 2
- Max Speed: 80 Mph
- Motor vehicle access: Designated
- Surface: Asphalt
- County: Pennington, SD
- US Census `Tiger` Name: I-90
Details