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Re:California bullet train cost surges by $2.8B by skybrian on Wednesday January 17, 2018 @05:33PM (#16172680)
You're leaving out some costs.

More airplanes doesn't increase capacity to the extent it's limited by airports. You'll need to add expanding the airports and maybe building new ones. Also, what about the stations between SF and LA?

Or, if you use cars, then you need to include widening the highways in congested areas.

Of course bus lines would be much cheaper, if we can convince people to use them. How often do you take a bus between SF and LA?

Re:California bullet train cost surges by $2.8B by dzhiurgis on Wednesday January 17, 2018 @08:18PM (#16173799)
> Of course bus lines would be much cheaper, if we can convince people to use them.

Pretty easy - electric buses with seats that resemble business class instead of Ryanair.

Re:California bullet train cost surges by $2.8B by dx034 on Thursday January 18, 2018 @03:58AM (#16175678)
Additional lanes for buses and a law that allows autonomous buses in dedicated lanes to go 100mph. That way you're faster than car or train at lower cost.