diamond tie tags

NW Mailing List nw-mailing-list at nwhs.org
Wed Sep 6 12:32:17 EDT 2017

Those tags indicated the degrees of curvature in the track

From tangent one could start to string line the curve back to design


Sent from my iPhone

> On Sep 5, 2017, at 1:50 PM, NW Mailing List <nw-mailing-list at nwhs.org> wrote:
> Was walking the Peavine the other day and noticed some diamond-shaped tags on some of the ties (photos attached).  I saw one "series" starting at 0 and going up by increments of 1/2 ending at 3 1/2.
> The tags were placed on every 20th tie such that a 1/2 tag was on the 20th tie after the 0 tag and a 1 tag twenty ties later, etc. up to 3 1/2.  I'm wondering at the purpose of "permanently" marking a series of groups of twenty ties.
> Anybody any knowledge or speculation on the purpose of these tags?
> Thanks,
> Jim Cochran
> Moderator:
> http://www.nwhs.org/mailinglist/2017/20170905.IMG_7317.JPG
> http://www.nwhs.org/mailinglist/2017/20170905.IMG_7322.JPG
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