The Totally Optional Prompt is 'Road Sign'

Years ago I drove south from Hanksville, Utah, on Highway 95. The highway goes by Hog Spring, crosses the Dirty Devil River, the Colorado River, White Canyon, and the end of Fry Canyon on its way to Highway 261, which continues south down the Moki Dugway to Mexican Hat. Highway 95 crosses the end of Fry Canyon in a wide bend to the left. On the outside of the bend a dirt road goes off to the right and up to the top of the canyon. About 200 feet up the dirt road there used to be a large sign that read:

THIS IS NOT
STATE ROUTE 95

I've always been intrigued by this sign that tells where you are not, rather than where you are. This has got to be a metaphor for something. If not a metaphor then maybe an inspiration?

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Remarks on the prompt, your latest poetry discovery, or this 'poetry exchange' blog can be made as comments to this posting. Late Wednesday night, between one rerun and another, I'll post a Request For Poems, where you can leave a link to your poem inspired by the prompt, or any other poem you want to share.