Winchester Wasteway Safety Rest Area Eastbound – I-90

I-90 eastbound travelers near Ephrata in Grant County, Washington, can pull in at Winchester Wasteway Safety Rest Area. Reported truck parking: 12 spaces, plus 27 car spaces. The next eastbound stop is Schrag Safety Rest Area, about 38 miles further along I-90.

I-90WashingtonEastbound
Current operating status not verified — Location data comes from an inventory record. Confirm with the responsible transportation agency before travel.

Location map

Marker shows recorded coordinates, not an entrance or approved driving route. Follow highway signs.

Open directions

Previous and next stop (Eastbound)

Previous: Ryegrass Safety Rest Area ≈ 35 mi along I-90Next: Schrag Safety Rest Area ≈ 38 mi along I-90

Order and distance from the official mile markers on I-90.

Reported parking capacity

Car parking27Reported spaces
Truck parking12Reported spaces

Reported capacity from the 2019 federal truck parking survey (FHWA Jason's Law). This is not real-time vacancy information.

Facilities and amenities

✓ Restrooms✓ Drinking water✓ Picnic tables✓ RV dump station

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

Winchester Wasteway Safety Rest Area is a stop for eastbound travelers on I-90 near Ephrata in Washington. We have no dated confirmation of its current operating status. Check the Washington Department of Transportation again before stopping: operating conditions can change.

Location and driving direction

You reach it from the eastbound lanes of I-90, near Ephrata in Grant County. The recorded position is around mile marker 161.25.

The westbound lanes have their own facility, Winchester Wasteway Safety Rest Area; make sure the entrance matches your direction of travel.

If you would rather drive on, Schrag Safety Rest Area is the next listed stop, around 38 miles ahead by the mile markers.

Parking and amenities

Reported capacity: 27 spaces for cars and 12 for trucks (the 2019 federal truck parking survey (FHWA Jason's Law)).

Listed amenities include:

  • Restrooms
  • Drinking water
  • Picnic tables
  • RV dump station

Space counts describe reported capacity, not live parking availability. Availability of individual amenities can change.

Time limits and overnight parking

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 at this rest area can set a different limit. Source: RCW 47.38.020 (checked November 2026).

Map and coordinates

Recorded coordinates: 47.103413, -119.628753. Use them as a reference only; follow the posted signs to the entrance.

Report an issue

Frequently asked questions

Which side of I-90 is this rest area on?

It serves eastbound traffic on Interstate 90 near Ephrata. The westbound lanes have a separate facility.

How many truck spaces are there?

The 2019 federal truck parking survey (FHWA Jason's Law) lists 12 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.

Can I stay overnight at this rest area?

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.

What is the next stop on I-90?

Schrag Safety Rest Area, about 38 miles further along I-90 by the official mile markers.