Blue Star Memorial Highway

I never knew about this until we stopped at this rest area, which is well cared for and and popular on the I-90 corridor across Washington State. This marker stands in the Indian John Hill Rest Area at milepost 89 Eastbound on the Mountain to Sound Greenway Corridor (I-90).

The history of the Blue Star Markers from the National Garden Clubs is interesting:

If you travel through Washington State, here is a list of rest areas and their amenities: