mpm hath wroth:
Fairly sure. I was watching a local company that was trying to replace the railroad bar code system with an RFID system. I tried to work for them, but was deemed unsuitable for some reason. Anyway, many of those involved were also graduates of the railroad bar code mess. Some history:
Interesting, because none of the readers were located at crossings. They were all intended to be read in the switch yards and only on boxcars. I have no idea what that light might be. I tried to find a photo of a boxcar with the bar code, but couldn't find one.
Dunno.