I too was always frustrated by the big fuzzy red dots on the Teslamotors.com Supercharger website covering a faded out map.
So I went to the end of the time scale to get the most red dots possible, and snapped a screen shot.
I put the jpg in PowerPoint, and then placed small black dots in the middle of the fuzzy red ones (for California and it's boarders).
Then I drew some corner and edge markers on the edge of the state-line. THEN I cut the Tesla map, so now I just had small sharp dots and edge markers.
I googled an image of a nice detailed CA map, brought that into PowerPoint, and fit and stretched my dot grid onto it. Voila - now I can see!
Some minor adjustments for actual known locations - red, and construction sites - yellow, and planned sites are in blue - with a grain of salt, as of today.
Blueshift's map is way better of course for operational, under construction, and permitted sites. I just wanted better visibility of Tesla's "Planned" sites.
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