Quote:
Originally Posted by Qubert
@ FFlint
Good Points, thanks for the info. Out of curiosity, is the Caltrain ROW grade separated? If it isn't, that should be the next major project, which then could allow for almost metro-like frequencies if demand exists.
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Grade separation has been ongoing for decades, and continues apace.
According to this (admittedly dated) chart, 59% of Caltrain crossings were grade separated in 2010. Since then, I know at least 3 new separated crossings in San Bruno have opened, meaning at least 62% of Caltrain road crossings are now grade-separated:
source
I don't know when the entire ROW will be grade-separated, but I do know HSR requires grade separation.