There are charts in TRAINS each month.
new chart suggestion: Tank Cars built and tank cars retired & scrapped being shown in a monthly graph for the past decade.
There is a great amount of replacement of tank cars.
Old tank cars are retired and scrapped. New tank cars are built frequently.
A visualization in a chart is something that we have not seen yet.
At the top could be the numbers of all tank cars operating each month.
Thank you.
Andrew Falconer
Watch my videos on-line at https://www.youtube.com/user/AndrewNeilFalconer
Might be able to do that yourself. That kind of data or similar is usually reported in Railway Age magazine, the AAR statistics, the carbuilders' trade association reports, etc., and/ or their websites.
Why stop there, though ? Why not similar charts for coal hoppers, double-stack well cars, multi-level auto-racks, box cars, coil steel cars, refrigerator cars, passenger cars, locomotives, etc., etc., just to name a few ? Not saying it's a bad idea - just be aware and careful of where and what it could lead to.
- Paul North.
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