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After reading the rest of your diary, I am very much puzzled.

  • What is the (expected future?) train frequency on Caltrain?

  • If only two platforms are for departing trains, that means that just to support 8 tph, maximum platform waiting time is 15, not 30 minutes. (For 12 tph, just 10 minutes.)

  • (Sidenote: a 15 minute period at each departure platform allows for a 40-45-minute train turnaround with uniform 15-minute cycles at each of two arrival, tail, and departure tracks. A 10 minute period at departure platforms would require four tail tracks operating in a - perhaps more realistic - 20-minute cycle.)

  • I must ask, what is the planned curve radius? For, curved platforms even where you have cars is not at all unheard of, so I am not sure why they require straight platforms. (Below: Cologne main station, and my own photo at Le Mans)


* Those tail tracks must be pretty long already to accomodate 400m trains. Has no genius considered a loop-back through station, at least for the Caltrain part?

*Lunatic*, n.
One whose delusions are out of fashion.

by DoDo on Mon Mar 23rd, 2009 at 11:47:47 AM EST
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