How is it surveillance for an organization that operates a fleet of trains, to know where the trains are?
Even if there were no such thing as GPS, simply the act of running a fleet of trains or trucks or buses on a schedule, means that anyone could do a bit of math and roughly calculate the position of every vehicle based solely on the schedule.
Even if there were no such thing as GPS, simply the act of running a fleet of trains or trucks or buses on a schedule, means that anyone could do a bit of math and roughly calculate the position of every vehicle based solely on the schedule.