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Re: Question about signal lights on the 7 and trip arms

Posted by New Flyer #857 on Tue Apr 16 06:37:06 2019, in response to Re: Question about signal lights on the 7 and trip arms, posted by Stephen Bauman on Tue Apr 16 06:01:34 2019.

So I suppose the question is which machines need oversight, and which ones don't. The good thing about elevators is that they tend to be the only vehicles in their respective rights-of-way, and are in an enclosed area, making the presence of some foreign object obstruction or development unlikely. One elevator also carries many less people than most trains.

Most commercial airliners are not yet at the point of reliability that make them just as safe without pilots, though that is likely to change.

Trains are in a separate category carrying hundreds of people in a setting that is often quite vulnerable to outside circumstances. Not saying ATO can't be done (it is being done in many places already) but it will come down to what level of safety culture there is (is having someone in the know on topics like, for example, conducting a rapid evacuation of the vehicle, practical or not in day-to-day service?)


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