On 2015-11-29, Scott wrote:
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But if people walk will they not spend less time on the escalator,
leaving more capacity for others?

Yes, they will spend less time individually, but there will still be fewer
of them getting off the escalator in any given time interval, so they
are not leaving capacity for others. Also by doing this they increase
the total transit time for those who walk, not because of time spent on
the escalator, but because of increased queuing time to get onto it.

A 70mph road must be able to carry
more traffic each hour than a 30mph road.

No.

Eric
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