Glacial Lakes/
New Effington
South Bound only
I-29 at mile post 250.6
Mid-May through
Mid-September
Open seven days a week

Great Star Service

Whetstone Valley/Wilmot
North and South bound
I-29 at mile post 213
Mid-May through
Mid-September
Open seven days a week

Great Star Service

Glacial Lakes
Visitor Information Area
I-29 Exit 177
Redlin Art Center
Watertown, SD
Open year round
and seven days a week

Valley Springs
Westbound only
I-90 at mile post 411
Mid-May through
Mid-September
Open seven days a week

Homestead/Vermillion
North and South bound
I-90 at mile post 26.6
Mid-May through
Mid-September
Open seven days a week

Salem
East bound
I-90 at mile post 362.3
West bound
I-90 at mile post 362.7
Mid-May through
Mid-September
Open seven days a week

Lewis & Clark/Chamberlain
East and West bound
I-90 at mile post 264.4
Mid-May through
Mid-September
Open seven days a week

Medicine Creek/Vivian
West bound
I-90 at mile post 221.3
Mid-May through
Mid-September
Open seven days a week

Cheyenne River/Wasta
East and West bound
I-90 at mile post 98.9
Mid-May through
Mid-September
Open seven days a week

Black Hills Visitor
Information Center
East and West bound
I-90 at mile post 61
Year round
Open seven days a week

Great Star Service

Tilford
East bound
I-90 at mile post 41.2
Mid-May through
Mid-September
Open seven days a week

Tilford
West bound
I-90 at mile post 41.2
Mid-May through
Mid-September
Open seven days a week

Northern Hills/Spearfish
East bound only
I-90 at mile post 1
Mid-May through
Mid-September
Open seven days a week