Was there a particular year when CP started making the sills on their bright red engines ... striped (dashed)? Versus a plain white sill?
In particular, their MP15 switchers.
Thanks
The white dashes on the CP sill started in 2003.
http://www.rrpicturearchives.net/showPicture.aspx?id=27137
The new design begin in 2013 with solid and dashing.
http://www.railpictures.ca/upload/mp15-1428-is-seen-in-transit-on-train-240-on-july-13-2013
Amtrak America, 1971-Present.