Speed Limit Laws: South Dakota

Rural Interstates

Cars (MPH) Trucks (MPH)
80 80

Urban Interstates

Cars (MPH) Trucks (MPH)
80 80

Other Limited Access Roads

Cars (MPH) Trucks (MPH)
70 70
State
South Dakota
Issue
Speeding and Aggressive Driving
Determinations
Rural Interstates: Cars (MPH)

80

Rural Interstates: Trucks (MPH)

80

Urban Interstates: Cars (MPH)

80

Urban Interstates: Trucks (MPH)

80

Other Limited Access Roads: Cars (MPH)

70

Other Limited Access Roads: Trucks (MPH)

70