Trains on this day in the past:

[Charlie B]

Southern RR of NJ caboose at Winslow, NJ, April 1997.

Bruce

I wonder if this was their way around the FRA part 223 bullet resistant glazing rule.  . I would never have thought about that but the rule says all "glazing" not a thing about windows having it.  some railroads welded the doors shut and called the pushing platforms. 
Charlie