more on US railroad uses Wi-Fi to run 'driverless' trainsRisks Digest 23.05

[Dave Farber <dave () farber net>]

From: Wulf Losee <qx49 () comcast net>

Dave:
A RR engineer friend of mine says that the RR he works for (not the 
Burlington Northern) installed a similar system last year. The goal was to 
save money by reducing the number of engineers needed to move cars around 
the yard. The unanticipated result -- I'm paraphrasing him -- was it took 2 
to 3 times longer to move the same number of cars around -- because, from a 
remote control terminal, it's harder to judge speeds and distances. He said 
there were numerous smashups while the controllers learned the system. I 
wonder if this will really pay for itself in the long run.

--Wulf 

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