Strange sight at Superior

[NW Mailing List]

Most likely for air slips as Abe said.

Nate
On Oct 9, 2015 12:57 PM, "NW Mailing List" <nw-mailing-list at nwhs.org> wrote:

> Only problem with the "Bill Box" theory is that trains haven't run with
> Waybills for  25 years.  EDI (electronic data interchange) killed Waybills
> several decades ago.  The only "paperwork" required for trains today is
> documentation for cars with HazMat placards and, if HazMat is being
> handled, a train consist or other "train placement document."  Conductors
> don't even write up Wheel Reports anymore.
>
> The mail box may be used for the relaying Air Brake Test slips.  (A block
> of cars, once charged and given an Initial Terminal Brake Test, can be
> picked up and placed in another train without another Initial Terminal
> Test, under certain circumstances.)  In the absence of an enclosure like
> this, most crews just wrap that document in a plastic sandwich bag and
> leave it in the knuckle.  (BTW, Initial Terminal Air Brake Tests are now
> called Class I Brake Tests, subsequent to the revision of the Air Brake
> Regulation about a dozen years ago... but old terminology dies hard.)
>
> The other possibility is that some industry (mine?) leaves switching
> orders for the crew in the mail box, but I doubt that such would be placed
> between live tracks.
>
> My guesses.
>
> -- abram burnett
>
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