On Jun 14, 11:17 pm, " wrote:
Have there not also been "incredibly rare"
cases of trains "running away" in the "wrong" direction unchecked
because trainstop devices are set up on the premise that if trains are
going to do something naughty they'll always have the courtesy to do
it whilst proceeding forwards in the correct direction of travel?

Which is why all trains are being installed (or possibly have been by
now, not sure) with rollback protection devices that will apply the
emergency brakes if they roll backwards too far. Doesn't help if it's
being driven from the wrong end, mind.

U