Prosser Safety Rest Area – I-82
Looking for a break on I-82 near Prosser in Benton County, Washington? Prosser Safety Rest Area is along the way. It is listed as accessible from both directions of travel. Reported truck parking: 7 spaces, plus 38 car spaces.
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, Pet area, Vending machines, Public phone, EV charging, Wi-Fi, Playground.
A reported facility does not guarantee current availability.
About this rest area
Travelers on I-82 near Prosser, Washington, can stop at the Prosser Safety Rest Area from either direction. Whether it is open right now has not been confirmed. Confirm the current situation with the Washington Department of Transportation before you plan a break here.
Location and driving direction
The rest area is accessible from both directions of I-82, near Prosser in Benton County. The recorded position is around mile marker 80.
Parking and amenities
Reported capacity: 38 spaces for cars and 7 for trucks (the 2019 federal truck parking survey (FHWA Jason's Law)).
According to the available records, you will find:
- Restrooms
- Drinking water
- Picnic tables
- RV dump station
These are capacity figures, not a live count of free spaces. Individual facilities can be closed temporarily.
Parking rules
Washington allows 8 hours in any 24-hour period; commercial vehicles may stay up to one hour beyond their federally required rest period. Camping is prohibited. Always follow the limit posted on site. Source: RCW 47.38.020 (checked November 2026).
Map and coordinates
Recorded coordinates: 46.220984, -119.789966. For safe navigation, follow official road signs and make sure the approach matches your direction of travel.
Frequently asked questions
Is truck parking available?
The 2019 federal truck parking survey (FHWA Jason's Law) lists 7 truck parking spaces at this facility. This does not indicate how many are currently free.
Are there restrooms and drinking water?
Yes, both are included in the official amenities listing. Check current conditions before travel.
How long can I park here?
Washington allows 8 hours in any 24-hour period; commercial vehicles may stay up to one hour beyond their federally required rest period. Camping is prohibited. Posted signs on site apply.