Rest Area I-15 SB
I-15 Southbound · Exit 321 (2 mi) · near Dutton, Montana
Amenities
- Restrooms
- Drinking water
- Truck parking
Not recorded: Accessible restrooms · Vending machines · Picnic area · Pet area · Playground · EV charging · Wi-Fi · Dump station · Visitor information · Scenic view
Missing something? Report an amenityNext Stops on I-15
No rest area for the next 69 miles southbound – plan your break here.
Traveling northbound? Rest Area I-15 NB is on the other side of I-15.
All rest areas on I-15 →About Rest Area I-15 SB
Rest Area I-15 SB is a rest area on I-15 southbound in Montana, about 2 miles from Exit 321, near Dutton. It has drinking water and restrooms, plus truck parking. The next rest area southbound is Lyons Creek Rest Area (Southbound), about 69 miles ahead.
It serves southbound traffic only – if you're heading the other way, use Rest Area I-15 NB on the opposite side of I-15.
It's one of 81 rest areas and welcome centers in Montana, 28 of which have truck parking. See all Montana rest areas on the state page.
Parking Rules
Unknown – check posted signs. We haven't verified Montana's overnight rule yet.
Can you sleep at rest areas in Montana? →FAQ
Does Rest Area I-15 SB have truck parking?
Yes, Rest Area I-15 SB has designated truck parking. Lots can fill up in the evening.
What is the next rest area after Rest Area I-15 SB on I-15 southbound?
The next stop southbound is Lyons Creek Rest Area (Southbound), about 69 miles ahead. The previous one is Sweet Grass Rest Area (75 miles back).
Where is Rest Area I-15 SB located?
Rest Area I-15 SB is on I-15 southbound near Exit 321, close to Dutton, Montana. GPS coordinates: 47.92479, -111.73520.
Where do northbound drivers stop?
Yes – drivers heading northbound use Rest Area I-15 NB on the other side of I-15. Rest areas on divided highways serve one direction, so check the direction before you navigate.