Quote:
Originally Posted by northbay420
a high speed rail line connecting sf and sac would be a panacea for i80. u could get from one downtown to the other in like 45 minutes. i dont understand y they dont include such a line in the current hsr proposal, seems like ridership would be very high
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Cost. Two very expensive water crossings (one absurdly expensive one and one just very expensive one) and no good existing right of way (that would be easily convertible to HSR specs - the Capitol Corridor ROW is extremely tight, has lots of HSR-unfriendly twists and turns, and is heavily used for freight).
Even if you leave out a Bay Crossing and just run a line up the East Bay from San Jose, you're talking about some really expensive tunneling in Oakland or a lot of eminent domain, since that is a very heavily-used freight line. Not saying it couldn't be done, but I think it's right to focus on getting SD and Sac linked up in other ways that cost less first. SF to Sac over the Altamont would still only be an hour (maybe slightly more, but not much).
It would be awesome to get some dedicated ROW for some kind of commuter rail up to Fairfield/Vacaville, but I'm not sure how or where that could be done. The Caps works fairly well right now, but completely bogs down at times around Martinez waiting for freight trains. I'm not sure how much more frequency can be added to that portion.