From the LA Times:
The effect of cheap gas on transit hasn't been studied as rigorously. Experts say that's because gasoline prices crater so rarely that there aren't many opportunities to dig into the data — and because economists know what to expect…. "Taking transit versus driving here basically depends on whether you're rich or you're poor," said Jan K. Brueckner, a UC Irvine professor who studies urban economics. "The margin of transit riders affected by lower gas prices is very narrow."

For the full story, please visit http://www.latimes.com/local/california/la-me-california-commute-20150120-story.html.