I-90 rest stops in Wyoming
We list 20 rest stops on I-90 in Wyoming, at 16 locations. The longest stretch without a stop is 50 miles, between Powder River Rest Area and I-90 MM 138 Turnout. The FHWA survey counted 105 truck spaces here in total.
Eastbound: I-90 MM 0 Turnout to Aladdin NE Wyoming Info Center and Rest Area
| Rest stop | Side | Mile | Near | Restrooms | Truck spaces | From previous |
|---|---|---|---|---|---|---|
| I-90 MM 0 Turnout | EB | 0 | Sheridan | – | 5 | – |
| Black Diamond Trail Rest Area | – | – | Sheridan | – | – | ≈ 15 mi |
| Fifth Street Rest Area | – | 23 | Sheridan | – | 15 | ≈ 11 mi |
| I-90 MM 30 Turnout | EB | 30 | Sheridan | – | 5 | 7 mi |
| I-90 MM 39 Turnout | WB | 39 | Sheridan | – | 5 | 9 mi |
| I-90 Rest Area near Buffalo | – | – | Buffalo | – | – | ≈ 19 mi |
| I-90 MM 60 Turnout | EB | 60 | Buffalo | – | 5 | ≈ 4.8 mi |
| I-90 MM 60 Turnout | WB | 60 | Buffalo | – | 5 | < 1 mi |
| I-90 MM 68 Turnout | WB | 68 | Buffalo | – | 5 | 8 mi |
| Powder River Rest Area | – | 88 | Buffalo | – | 6 | 20 mi |
| I-90 MM 138 Turnout | EB | 138 | Sleepy Hollow | – | 10 | 50 mi |
| I-90 Rest Area near Moorcroft | – | – | Moorcroft | – | – | ≈ 17 mi |
| I-90 MM 163 Turnout | EB | 162 | Moorcroft | – | 4 | ≈ 11 mi |
| I-90 MM 163 Turnout | WB | 163 | Moorcroft | – | 4 | 1 mi |
| I-90 MM 171 Turnout | EB | 171 | Upton | – | 4 | 8 mi |
| I-90 MM 171 Turnout | WB | 171 | Upton | – | 4 | < 1 mi |
| I-90 MM 175 Turnout | EB | 175 | Sundance | – | 5 | ≈ 6.1 mi |
| I-90 MM 175 Turnout | WB | 175 | Sundance | – | 5 | < 1 mi |
| East Sundance Rest Area | – | 189 | Sundance | – | 6 | 14 mi |
| Aladdin NE Wyoming Info Center and Rest Area | – | 199 | Sundance | – | 12 | 10 mi |
Mile = state mile marker where our sources give one. Distances use mile markers when both stops have one, otherwise the straight-line distance plus 15 % (marked ≈). "–" means we have no data.
Driving westbound
Heading west, you reach the stops in reverse order, starting with Aladdin NE Wyoming Info Center and Rest Area. Stops marked EB in the table are on the other side of the road; use the ones marked WB or Both.
- Aladdin NE Wyoming Info Center and Rest Area · mile 199 · direction not confirmed
- East Sundance Rest Area · mile 189 · direction not confirmed
- I-90 MM 175 Turnout · mile 175
- I-90 MM 171 Turnout · mile 171
- I-90 MM 163 Turnout · mile 163
- I-90 Rest Area near Moorcroft · direction not confirmed
- Powder River Rest Area · mile 88 · direction not confirmed
- I-90 MM 68 Turnout · mile 68
- I-90 MM 60 Turnout · mile 60
- I-90 Rest Area near Buffalo · direction not confirmed
- I-90 MM 39 Turnout · mile 39
- Fifth Street Rest Area · mile 23 · direction not confirmed
- Black Diamond Trail Rest Area · direction not confirmed
Can you sleep at rest stops in Wyoming?
There is no Wyoming statute or DOT rule on rest area time limits that we know of. Sites can still post a limit at the entrance. Camping is a different matter: it is not welcome at rest areas.
Checked October 2026. Know the rule? Send us the source.
I-90 beyond Wyoming
Westbound, I-90 continues in Montana. Eastbound, it continues in South Dakota. All I-90 rest stops · All rest areas in Wyoming
Frequently asked questions
How many rest stops are on I-90 in Wyoming?
20 rest stops in our list: 14 reachable eastbound and 13 westbound (counting stops whose direction we could not confirm for both).
What is the longest stretch without a rest stop on I-90 in Wyoming?
About 50 miles, between Powder River Rest Area near Buffalo and I-90 MM 138 Turnout near Sleepy Hollow.
Can you sleep at I-90 rest stops in Wyoming?
We found no statewide hour limit in Wyoming. Follow the signs posted at each site.