Winchester Wasteway Safety Rest Area Westbound – I-90

I-90 westbound travelers near Quincy in Grant County, Washington, can pull in at Winchester Wasteway Safety Rest Area. Reported truck parking: 12 spaces, plus 27 car spaces. The next westbound stop is Ryegrass Safety Rest Area, about 36 miles further along I-90.

I-90WashingtonWestbound
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 (Westbound)

Previous: Schrag Safety Rest Area ≈ 37 mi along I-90Next: Ryegrass Safety Rest Area ≈ 36 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 westbound travelers on I-90 near Quincy in Washington. Its current operating status has not been verified. Confirm the current situation with the Washington Department of Transportation before you plan a break here.

Location and driving direction

The rest area sits on the westbound side of I-90 near Quincy in Grant County. It is listed near mile marker 161.75.

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

The next westbound stop is Ryegrass Safety Rest Area, about 36 miles further along I-90.

Parking and amenities

The 2019 federal truck parking survey (FHWA Jason's Law) lists 27 automobile parking spaces and 12 truck parking spaces for this direction.

Facilities reported for this location:

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

These are capacity figures, not a live count of free spaces. Availability of individual amenities can change.

How long can you stay?

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. Signs posted at the rest area take precedence. Source: RCW 47.38.020 (checked November 2026).

Map and coordinates

Recorded coordinates: 47.104481, -119.617470. 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 westbound traffic on Interstate 90 near Quincy. The eastbound 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.

Can I get drinking water and use the restroom?

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.

Where is the next rest stop?

Ryegrass Safety Rest Area, about 36 miles further along I-90 by the official mile markers.