Pat O'Neill of Falls Church spied this possibly-not-official sign in Canyon Lake, Tex. She played it safe and didn’t speed. (Pat O'Neill)

Pat O’Neill of Falls Church came upon this warning a few weeks ago near the dam in Canyon Lake, Tex. “It was posted quite a few feet from the highway near a house, and it does not look like an official sign,” she writes. “Still, we obeyed the posted speed limit.”

Seen an amusing sign in your travels? Read on.

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