Editing Train (section)

=== Scheduling and dispatching ===
[[File:Papan Jadwal Perjalanan Kereta Api di ruang tunggu penumpang Stasiun Sukomoro.jpg|thumb|Schedule of train departure times in [[Indonesia]] stations ]]
To prevent collisions or other accidents, trains are often scheduled, and almost always are under the control of [[train dispatcher]]s.<ref>{{Cite web|date=March 23, 2021|title=How Does Train Dispatching Work?|url=http://www.up.com/up/customers/track-record/tr030921-how-does-train-dispatching-work.htm|access-date=2021-11-04|website=www.up.com|language=en}}</ref> Historically, trains operated based on [[Public transport timetable|timetables]]; most trains (including nearly all passenger trains), continue to operate based on fixed schedules, though freight trains may instead run on an as-needed basis, or when enough freight cars are available to justify running a train.<ref>{{Cite web|last=Lester|first=David C.|date=February 1, 2018|title=Scheduling freight trains|url=https://www.trains.com/trn/train-basics/abcs-of-railroading/scheduling-freight-trains/|access-date=2021-11-05|website=Trains|language=en-US}}</ref>