For the 2026 Season

All five Interstate Welcome Centers will be open to the public starting Monday, May 18, and will remain open seven days per week from 8 a.m. to 5 p.m.

The Wilmot, Valley Springs, Vermillion and Spearfish locations close for the season on Sunday, September 27. The Chamberlain location will remain open through Sunday, October 18.

Restroom facilities are available even when these Welcome Centers are not staffed (approximately October through April).

Travel Counselors

From mid-May through September, a crew of more than 40 travel counselors staff the five Interstate Welcome Centers. From 8 a.m. to 5 p.m. daily, these ambassadors will greet you with a smile and answers for all of your travel questions.

Amenities

In addition to seasonal travel counselors, you can also find the following amenities at our Interstate Welcome Centers:

  • Brochures and other printed material for businesses and attractions statewide*
  • Free South Dakota highway maps and vacation guides*
  • Free Wi-Fi via the "TravelSouthDakota" network
  • Cultural and historical displays*
  • Lewis and Clark museum (Chamberlain)*
  • Dignity statue (Chamberlain)
  • Short term parking for cars, RVs and trucks
  • Restrooms – ADA accessible
  • Baby changing stations
  • Picnic tables and shelters – ADA accessible
  • Pet exercise areas
  • RV dump stations*
    (not all rest areas have dump stations, view the South Dakota Rest Areas map for locations)
  • Water fountains and potable water filling stations
  • Soft drink vending machines
  • Emergency phones
  • Security camera monitoring system

Note: All amenities marked with an asterisk (*) are only available seasonally when the Interstate Welcome Centers are in operation.

Interstate Welcome Centers

Note: Our information desks close for the winter season, however, restrooms, pay phones, Wi-Fi and all other rest area amenities remain accessible year-round.

Daily in-season hours: 8 a.m.- 5 p.m.

Online map of Welcome Centers and Rest Areas (interactive map by South Dakota Department of Transportation)

Wilmot Welcome Center (northbound and southbound)
I-29 at mile post 213.8
Open seven days a week, mid-May to mid-September

Valley Springs Welcome Center (westbound)
I-90 at mile post 412.1
Open seven days a week, mid-May through September

Vermillion Welcome Center (northbound and southbound)
I-29 at mile post 26.6
Open seven days a week, mid-May through September

Chamberlain Welcome Center (eastbound and westbound)
I-90 at mile post 264.4
Open seven days a week, mid-May through October

Spearfish Welcome Center (eastbound)
I-90 at mile post 1
Open seven days a week, mid-May through September

Plus, two other centers along the way:

Minuteman Missile National Historic Site Visitor Center (eastbound and westbound)
I-90 at mile post 131
Open seven days a week, year-round
Travel South Dakota travel counselors, mid-May through September (five days a week)

Black Hills Visitor Information Center (eastbound and westbound)
I-90 at mile post 61
Open seven days a week, year-round (staffed by Black Hills & Badlands travel counselors)
 

Interstate Rest Areas

Rest areas offer many of the same amenities as the Welcome Centers, but are not staffed with travel counselors at any point throughout the year. Wi-Fi is not currently available at any of the rest areas.

New Effington (southbound)
I-29 at mile post 250.8

Ward (northbound and southbound)
I-29 at mile post 121.8

Salem (eastbound)
I-90 at mile post 362.3

Salem (westbound)
I-90 at mile post 362.7

White Lake (eastbound)
I-90 at mile post 301.2

White Lake (westbound)
I-90 at mile post 301.7

Vivian (eastbound)
I-90 at mile post 218.4

Vivian (westbound)
I-90 at mile post 221.3

Belvidere (eastbound)
I-90 at mile post 165

Belvidere (westbound)
I-90 at mile post 166.6

Wasta (eastbound)
I-90 at mile post 98.6

Wasta (westbound)
I-90 at mile post 98.6