Trains of all types - passenger, freight, MOW, specials, etc - all run to a timetable and in the past it was the station, signal box and depot yard clocks that were the guardians of railway time. This article looks at heritage railway clocks and their role in the running of the railways.
http://www.abc.net.au/news/2018-04-...atch-collection-sydney-central-trains/9703954
http://www.abc.net.au/news/2018-04-...atch-collection-sydney-central-trains/9703954