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Run twice as many cal trains.My understanding of this is that CalTrain is already running at capacity. Trains are, essentially, back to back. Part of the electrification project is that the electric engines should have better acceleration than the current diesel ones, allowing tighter packing of trains on the tracks. (And thus, more trains, and thus, more capacity.)
We really, IMO, need 4 rails from SF to SJ, but if Atherton doesn't want to give up a few trees, I can only imagine the hell that would get raised for more space. That, and funding.
> Bury five of the crossings.
AIUI, Mountain View considered this (grade separation) w/ the Castro/Moffett/Central intersection, but decided against it, opting instead for simple removing the crossing. (The wrong decision, IMO. I'd bury the train, but I think the (canned) plan was to bury the road, as it would be less disruptive.)