This is the work of a couple of hours comparing the 1917-19 Western Washington Automobile Association strip maps in my collection with the current route on Delorme, using also Google Earth for reference. I left out additional “probable” blue line sections for future research consideration.
What this map set certainly demonstrates is that this route is rich in old alignments that can still be easily followed. I have followed some over the years, with great satisfaction. Others remain for future visits.
Eric and I both have pointed out that this alignment is the (1913 and after) route of the Sunset Highway (Washington State nomenclature), of the (1915 or so) National Parks Highway, and the (1925 and after) Yellowstone Trail. In the context of transcontinental auto trails, specifically the National Parks Highway, this is virgin dirt, salt of the earth, the good stuff…if you wish.
Incidentally, neither the Yellowstone Trail nor the National Parks Highway can claim this to be its creation, but then I think it is fair to say that no roadway was created by either anywhere anyway. Both used existing roads, and this one is no exception.
I want to comment on something I hope one of our trailblazers will look at. The 5th map below shows a section of the old road that going east to west, drops down the east side of Moses Coulee via Sulphur Springs Road (abandoned, I think) and then up the other (west) side.
That is especially interesting because there is a post office (Spencer) that appears to have been located in that area, and if memory serves, perhaps a hotel. I’m thinking that deserves a look see.
Dave
Keep the Show on the Road!
Here are the maps:





























