Rest Stops NearbyRest areaI-57 · Northbound
Post Oak Rest Area
You will find Post Oak Rest Area on I-57 (northbound) by Selmaville, Illinois, around mile marker 114. A federal truck parking survey counted 18 spaces for big rigs here. OpenStreetMap lists restrooms and drinking water. After this, northbound drivers reach Green Creek Rest Area 51 miles later. St. Louis, MO is the closest big city, about 66 miles away as the crow flies.
| Highway | I-57 · Northbound |
|---|---|
| Mile marker | 114 |
| Location | Selmaville, Marion County, Illinois Directions (38.5967, -88.9643) |
| Amenities | Restrooms, Drinking water |
| Truck parking | 18 spaces (FHWA survey) |
| Operator | Illinois Department of Transportation |
Sources: U.S. DOT truck parking data (FHWA, 2019); amenities from OpenStreetMap (October 2026). Closed, moved or wrong? Tell us.
Next rest stops on I-57
Heading northbound
Green Creek Rest Area
51 miles · Rest area near Sigel
Heading southbound
Post Oak Rest Area
about < 1 miles · Rest area near Selmaville
Other side of the highway: Post Oak Rest Area (Southbound).
Overnight parking
Stays here are capped at 3 hours under Illinois rules.
Based on 92 Ill. Adm. Code 533.20. Rules and closures in Illinois
Rest stops on other highways nearby
- Goshen Road Rest Area Rest areaRestroomsDrinking water 20 truck spaces
- Goshen Road Rest Area Rest areaRestroomsDrinking water 20 truck spaces
- I-64 Rest Area near Nashville Rest area
- WS I-70 Brownstown Rest Area Rest area10 truck spaces
- I-70 Rest Area near Vandalia Rest area
Straight-line distances.
More rest stops
All rest stops on I-57 in Illinois · I-57 in all states · Rest areas in Illinois · Rest stop finder
Frequently asked questions
Where is Post Oak Rest Area?
On I-57 northbound at mile 114 near Selmaville in Marion County, Illinois. The Directions link opens the spot in Google Maps.
Which direction does Post Oak Rest Area serve?
Northbound traffic on I-57. Traffic the other way uses Post Oak Rest Area.
Does Post Oak Rest Area have restrooms?
Yes, restrooms are mapped here.
How far is the next rest stop after Post Oak Rest Area?
Northbound: Green Creek Rest Area, 51 miles. Southbound: Post Oak Rest Area, about < 1 miles.
Can you sleep at Post Oak Rest Area?
Stays here are capped at 3 hours under Illinois rules.
Is there truck parking at Post Oak Rest Area?
Yes, there are 18 truck parking spaces (FHWA count).
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