Came here to say this - looks awfully like OSM data and no attribution.
I'm also not clear on whether Google likes displaying OSM data on their map; it's a strange combination. I can't ever remember seeing "Copyright Google, Copyright OpenStreetMap contributors" in the footer of a page.
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The site is missing attribution, then, which is required by OSM's license (see https://www.openstreetmap.org/copyright )
Came here to say this - looks awfully like OSM data and no attribution.
I'm also not clear on whether Google likes displaying OSM data on their map; it's a strange combination. I can't ever remember seeing "Copyright Google, Copyright OpenStreetMap contributors" in the footer of a page.