Pile on the high-speed rail love, which voters expressed last week by a margin of 4 percent: the High Speed Rail Authority just released its business plan on Friday. Of course, there's not a lot of new stuff here ("We waited three months for this?" asks one opponent), but we do learn that even if private investment fails to materialize, enough of the system could be built to make it work. Hey, 2020, here we come! [SF Gate]For more stories from Curbed SF, go to sf.curbed.com.