Mercer County Rest Area Southbound – I-79
Mercer County Rest Area is a rest area on I-79 southbound near Deer Creek in Mercer County, Pennsylvania. Reported truck parking: 20 spaces. The next southbound stop is Lawrence County Rest Area – Southbound, 25 mi ahead by the mile markers.
Next rest stop on I-79 Southbound
Lawrence County Rest Area – Southbound25 mi ahead by the mile markers · Pennsylvania · Mile marker 110Previous southbound stop: Crawford County Rest Area – Southbound · 28 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
Unknown (not documented in the sources): Family restroom, Accessible facilities, Drinking water, Picnic tables, Pet area, Public phone, RV dump station, EV charging.
A reported facility does not guarantee current availability.
About this rest area
On Interstate 79 southbound near Deer Creek, the Mercer County Rest Area gives travelers in Pennsylvania a place to stop. Before you count on this stop, a quick check of 511 or the Pennsylvania Department of Transportation shows any closure.
Location and driving direction
You reach it from the southbound lanes of I-79, near Deer Creek in Mercer County. It is listed near mile marker 135. Southbound, you reach it after exit 141; the next exit after the rest area is exit 130. You do not take an exit to get there: the rest area has its own ramp, signed "Rest Area" in advance.
The northbound lanes have their own facility, Mercer County Rest Area – Northbound; make sure the entrance matches your direction of travel.
If you would rather drive on, Lawrence County Rest Area – Southbound is the next listed stop, around 25 miles ahead by the mile markers.
Parking and amenities
The 2019 federal truck parking survey (FHWA Jason's Law) lists 20 truck parking spaces.
Facilities reported for this location:
- Restrooms
- Vending machines
These are capacity figures, not a live count of free spaces.
How long can you stay?
Pennsylvania limits stays to 2 hours in a 24-hour period, or the posted limit; sleeping is allowed only in a legally parked vehicle and overnight camping is prohibited. Turnpike service plazas have their own rules. Always follow the limit posted on site. Source: 67 Pa. Code 443.2 (checked November 2026).
Coordinates
41.467895, -80.168092
Frequently asked questions
Which side of I-79 is this rest area on?
It serves southbound traffic on Interstate 79 near Deer Creek. The northbound lanes have a separate facility.
Are there restrooms?
Yes, restrooms are included in the official amenities listing.
What is the next stop on I-79?
Lawrence County Rest Area – Southbound, about 25 miles further along I-79 by the official mile markers.