I've never been the only car charging at a supercharger, and I see lots of women traveling solo, even when I'm there late in the evening. Tesla's webpage has this to say:
"Stations are strategically placed to minimize stops during long distance travel and are conveniently located near restaurants, shopping centers, and WiFi hot spots."
"Stations are strategically placed to minimize stops during long distance travel and are conveniently located near restaurants, shopping centers, and WiFi hot spots."
http://www.teslamotors.com/supercharger
From the sounds of it, this answer won't make you happy, but that's fine: Tesla is at market share of << 1%.