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Posted by David on Sun Jun 1 09:04:56 2003, in response to Re: Proof that the Lex can’t support more than 28 tph,
posted by Stephen Bauman on Sun Jun 1 07:28:54 2003.
There's another factor, one that to my knowledge has never before been brought up here even through all these back-and-forths:
In days of yore (pre-computers, that is), the schedules used to have what are called "bangs" on them. That is, two trains were scheduled to be on the same stretch of track at the same time. In practice, whichever train got there first was given clearance to go ahead. Eventually, all trains got through the area, but not necessarily within the time period they were supposed to go through. Nowadays, great pains are taken to ensure that there are no "bangs."
David
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