Quick Question

Does anybody know how the BART District boundaries are drawn? I just spent way too long Googling in vain for an answer.

I did, however, find a thought-provoking quote in an outdated Beyond Chron article covering the last BART D8 race:

And while [incumbent D8 Director James] Fang may be the last Republican in San Francisco, BART District 8 includes the most conservative neighborhoods – all of the Marina, the Richmond, the Sunset and West of Twin Peaks, while conveniently drawing the lines to avoid the City’s most progressive precincts. That was no accident, said Radulovich, because Fang had a big hand in “manipulating the district boundaries.” -Paul Hogarth (Beyond Chron)

For what it's worth, Fang is up for re-election again in 2010.