Link is below:

http://www.latimes.com/local/lanow/la-me-ln-la-now-live-expo-line-study-20131216-dto,0,5235945.story#axzz2ot5SJMvp

And she provides a link to the USC study:

http://priceschool.usc.edu/files/2013/12/Final-Boarnet-Expo-Line-Report-for-Web.pdf