Those dotted lines at the ends of the yellow, blue, and orange lines: how long have they been there? How long will they persist there? When does a hope turn into a lie?
I think they’ve been there since the map redesign around 2010. Given the label says “approved or planned”, there’s no commitment that they’ll ever be built.
That said, it turns out the Warm Springs extension is meant to be in revenue service in “Fall 2015” with a further extension to Berryessa under construction. Meanwhile, the East Contra Costa line (which will run diesels rather than electrics) is under construction, leaving only the AIRBart, Livermore, and San Jose extensions as unapproved