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Re: Canarsie CBTC

Posted by RonInBayside on Tue Jun 21 12:40:09 2005, in response to Re: Canarsie CBTC, posted by Stephen Bauman on Tue Jun 21 12:26:42 2005.

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Yes it is, depending on the circumstances. In a transit operation with trains close together, no. In a commuter rail operation with trains once per hour, why not? You can periodically "zero" the error using wayside equipment (and use less of it due to CBTC's presence).

And what makes you believe GPS won't improve over the next 5 years? Suppose the accuracy improves to 15 feet per second (10 mph)? Would that change its usefulness?

By the way, thank you for engaging me in the math exercise. If you ever decide to write a textbook (you should!) I would like to have an autographed copy.

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