From: jishnu@nospam.verizon.net

On 8/18/2014 8:24 PM, hancock4@bbs.cpcn.com wrote:> On Monday, August
18, 2014 2:22:28 PM UTC-4, Jishnu Mukerji wrote:
>
>> I think the paper timetables are pretty useless these days except as
>> collectors items for those who care for such,
>
> It's also downloadable from the Amtrak website as a PDF.  Presumably,
> schedule changes to individual routes are updated in the web version
> until a new edition is generated.

All schedule changes do not cause new version of PDF for individual
trains to be produced. I am not sure what is used as the threshold to
decide when to create a new set.

However, the changes are very often just a few minutes this way ir that
to account for track work, single tracking etc., so it does not matter
materially unless you are trying to precisely document OTP at the
granularity of a minute.

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