"Therefore, if the CHSRA operating costs do approach international rates of 40 to 50 cents per passenger mile, as opposed to the Authority’s “projected” rate of 10 cents, future Legislatures and future Administrations will have to provide annual subsidies in the range of billions of dollars."
http://www.cc-hsr.org/assets/pdf/NFOS.pdf
"The California High-Speed Rail Authority’s forecasts of demand and ridership for a new San Francisco-to-Los Angeles high-speed train are not reliable because they are based on an inconsistent model, according to a new study by researchers at the Institute of Transportation Studies at the University of California, Berkeley (ITS Berkeley)."
http://newscenter.berkeley.edu/2010/07/01/high_speed_rail/