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Milano Centrale train station

Displaying the exact time to complete arrival and departure information


To provide travelers with the exact time as well as information regarding arrivals and departures of trains, and doing so by placing all of this information side-by-side to be more easily consulted by the end-users


An effectively distributed network of digital and/or analog clocks, installed individually or integrated within the train track indicators or within the arrival and departure summary displays, allows for all customer requirements to be suitably met.

All clocks can be synchronized using the NTP protocol that guarantees their precision and allows for a transparent transition to daylight savings time and vice versa, without the need for manual intervention. Through the local network connection, every clock is able to provide the central system with its working state: synchronizing is automatic and no actions need to be taken for a single clock to verify its working and synchronization state. Part of the solution consists in clocks specifically designed to be integrated within the existing information panels placed within the waiting rooms and along the tracks, while other clocks belong to Solari’s standard product family.

  • Time precision and consistency
  • Synchronization of all clocks regardless of the technology used for the display
  • Guaranteed to work even in harsh environments (water, dust, electromagnetic interference)
  • Complete information
Case Study Milano Centrale train station

In train stations, it is vital that passengers and personnel be provided with the “exact time”. To immediately assess the waiting time, clocks must be integrated within the train arrival and departure information panels.

Even in waiting or service areas such as near the train tracks, waiting rooms, halls, ticket office, bars, etc., travelers must always have access to the current time.

Equally vital is the need for these displays to be perfectly legible even in the presence of difficult environmental conditions.


Thus the need for widespread presence of synchronized clocks arises. They must also be capable of self diagnosing and of notifying the time system handler of any malfunctions.


The Milano Centrale train station is the second-largest Italian train station in terms of size and traffic volume, as well as one of the most important train stations in Europe.

It welcomes about 600 trains a day, various underground lines, a bus and trolley car terminal, and it is used every day by thousands of people.


All that has been done in this case represents a significant example of the solutions that Solari di Udine is capable of designing and producing for the railway sector.

Specifically, the installation is made up of a complete public information system in which various clocks have been added to the information panels indicating arrival and departure times of trains. The clocks provided are both analog and digital, installed as independent clocks, placed along passageways or in waiting areas, as well as clocks integrated within the information panels.

All devices are synchronized by a Master Clock that guarantees the precision of the displayed information and avoids the need to intervene directly on the clocks that are located in the various areas of the train station, both inside as well as other nearby areas.


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Clocks used