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Alan Kandel's avatar

A lot of good information here.

If the Authority decides to forgo going to Merced and instead focuses efforts on connecting the Central Valley to San Francisco via Gilroy and San Jose, a wye at Chowchilla (Fairmead, actually) would no longer be required. A substantial amount of money could be saved just from that change alone. With that change implemented, it would be prudent to put in a station at Fairmead at the intersection of State Routes 99 and 152. As such, this would allow patrons to board — and alight from — high-speed trains in lieu of their boarding — and alighting from — such at Merced. It would be a little more inconvenient for Merced residents and others, but would still allow all persons affected reasonable access. If the plan was to connect Bakersfield with San Francisco (a most doable part of Phase 1), I don’t understand why the big todo about getting Merced connected.

As to your comment about not being able to meet the 2 hour 40 minute LA-SF scheduling commitment, for an express, non-stop trip, by the way, that, too, is doable by my calculations.

Breaking it all down, what we’re dealing with is a 464-mile total Phase 1 (LA-SF) distance. Meeting a 2 hour 40 minute scheduling commitment seems most achievable. Required, though, as I see it, would be a 30-minute run between San Francisco and San Jose, a roughly 50-mile distance. To allow the train to make that kind of time, speed would need to be an average 100 mph, a scheduling commitment not out of the realm of possibility.

That would leave the 30 miles between San Jose and Gilroy. The presumption is trains would run here at at least 110 mph. If pushed up to 120 mph, trains could complete that segment in 15 minutes. Now assuming a 180-mph train speed here is permitted, if I calculated correctly, the San Jose-Gilroy run could be made in, what, 10 minutes? Total trip time for those 80 miles is now down to 40 minutes. A non-stop, express train, therefore, operating at an average speed of 192 mph the rest of the way, the train then would meet its scheduling goal. I don’t believe that to be out of the realm of possibility either even with having to construct track through two mountain passes. Remember: top speed on tangent track is 220 mph. Long, gentle curvature and tangent (straight) track in the Valley will allow for this.

And, finally. Running high-priority high-speed freight trains, even if mixed in with high-speed passenger trains is a great idea. If not that, they could operate at night when no high-speed passenger trains would presumably be operating.

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Ian's avatar

They should definetly try and cheap out as much as possible, like building single tracked only leaving space for more tracks reserved, using highway medians when possible, aiming for 250kph instead of 300+kph allignments, etc. Everything that can be done to get trains running to either SF or LA as soon as possible, should be done.

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