Questions about 50ft IPD boxcars rebuilt for extended height.

Trains Magazine General Discussion
21

I don’t believe that 60 foot cars were involved in Incentive Per Diem.

22

Absolutely nothing except maybe the CNA car in that particular sampling is a former IPD car, but they

23

IPD Explanation

https://www.youtube.com/watch?v=zew6obPiVXo