Cactus Flat Rest Area Westbound – I-90
Looking for a break on I-90 westbound near Cactus Flats in Jackson County, South Dakota? Cactus Flat Rest Area is along the way. Reported truck parking: 10 spaces. The next westbound stop is Wasta Rest Area – Westbound, 38 mi ahead by the mile markers.
Next rest stop on I-90 Westbound
Wasta Rest Area – Westbound38 mi ahead by the mile markers · South Dakota · Mile marker 99Previous westbound stop: I-90 Belvidere Rest Area – Westbound · 29 mi back by the mile markers
Location map
Marker shows recorded coordinates, not an entrance or approved driving route. Follow highway signs.
Open directionsReported parking capacity
Reported capacity from the 2019 federal truck parking survey (FHWA Jason's Law). This is not real-time vacancy information.
Facilities and amenities
Not available: Wi-Fi.
Unknown (not documented in the sources): Family restroom, Accessible facilities, Drinking water, Picnic tables, Pet area, Vending machines, Public phone, RV dump station.
A reported facility does not guarantee current availability.
About this rest area
The Cactus Flat Rest Area serves westbound traffic on Interstate 90 near Cactus Flats, South Dakota. Closures are announced by the South Dakota Department of Transportation and on 511, worth a look before a long drive.
Location and driving direction
The rest area sits on the westbound side of I-90 near Cactus Flats in Jackson County. It is listed near mile marker 137. Driving westbound, the rest area comes after exit 143 and before exit 131. You do not take an exit to get there: the rest area has its own ramp, signed "Rest Area" in advance.
Further along I-90, Wasta Rest Area – Westbound follows after roughly 38 miles.
Parking and amenities
The 2019 federal truck parking survey (FHWA Jason's Law) lists 10 truck parking spaces.
According to the available records, you will find:
- Restrooms
Listed as not available: Wi-Fi.
Space counts describe reported capacity, not live parking availability.
Parking rules
South Dakota limits stays to 3 hours, or 10 consecutive hours for drivers subject to federal hours-of-service rules. Camping is prohibited. Posted signs at this rest area can set a different limit. Source: SDCL 31-7-17 (checked November 2026).
Coordinates
43.838721, -101.777021
Frequently asked questions
Is this rest area on I-90 Westbound?
Yes. The federal truck parking inventory record identifies it as the westbound facility on Interstate 90 near Cactus Flats.
Are there restrooms?
Yes, restrooms are included in the official amenities listing.
What is the next stop on I-90?
Wasta Rest Area – Westbound, about 38 miles further along I-90 by the official mile markers.