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'''Railway Operation Simulator''' (ROS) is an open source signal box simulation<ref>{{Cite web|last=|first=|date=2020-07-20|title=Simulationsprogramme/Stellwerksimulationen|url=http://www.modellbahnsoftware.de/simulationsprogramme/stellwerksimulationen/railwayoperation-simulator/|url-status=live|archive-url=|archive-date=|access-date=|website=www.modellbahnsoftware.de}}</ref><ref>{{Cite web|last=|first=|date=|title=Train Games & Train Simulators|url=https://www.railserve.com/Computers/|url-status=live|archive-url=|archive-date=|access-date=|website=RailServe}}</ref> program created for Windows which allows users to both create and operate railway routes and services. The simulator can also be run under macOS and Linux under Wine.  

'''Railway Operation Simulator''' (RailOS) is an open source signal box simulation<ref>{{Cite web|last=|first=|date=2020-07-20|title=Simulationsprogramme/Stellwerksimulationen|url=http://www.modellbahnsoftware.de/simulationsprogramme/stellwerksimulationen/railwayoperation-simulator/|url-status=live|archive-url=|archive-date=|access-date=|website=www.modellbahnsoftware.de}}</ref><ref>{{Cite web|last=|first=|date=|title=Train Games & Train Simulators|url=https://www.railserve.com/Computers/|url-status=live|archive-url=|archive-date=|access-date=|website=RailServe}}</ref> program created for Windows which allows users to both create and operate railway routes and services. The simulator can also be run under macOS and Linux under Wine.  

The program was written by developer Albert Ball known for creation of the ZX Spectrum game ''Jumping Jack'' in 1983<ref name="giantlist">{{cite web|last1=Hague|first1=James|title=The Giant List of Classic Game Programmers|url=https://dadgum.com/giantlist/}}</ref>. It has been described by studies as providing users with a free and adaptive platform to learn about driving trains and building railroads<ref>{{Cite journal|last=Pacheco|first=Ericson Pinheiro|year=2018|title=Development of a prototype for visualizing the position of trains in a railway network|url=http://repositorio.roca.utfpr.edu.br/jspui/handle/1/9732|journal=|volume=|pages=|via=}}</ref>. It was first released in 2010 and is written in [[C++]] which is built using the Borland IDE compiler. The on screen displays are designed to mimic those of a typical British Integrated Electronic Control Centre, with a window depicting a track layout on which the locations and identifiers of services are displayed<ref>{{cite magazine |last= |first= |date=June 2012 |title=Introducing IECC Scalable |url= |magazine=The Rail Engineer |issue=92 |location= |publisher=}}</ref>. Three main modes are available which allow the user to operate a railway, edit the route map displayed, or create timetables using a special syntax. The availability of an editor has meant an ever increasing number of user-made routes being available from the online repository.

The program was written by developer Albert Ball known for creation of the ZX Spectrum game ''Jumping Jack'' in 1983<ref name="giantlist">{{cite web|last1=Hague|first1=James|title=The Giant List of Classic Game Programmers|url=https://dadgum.com/giantlist/}}</ref>. It has been described by studies as providing users with a free and adaptive platform to learn about driving trains and building railroads<ref>{{Cite journal|last=Pacheco|first=Ericson Pinheiro|year=2018|title=Development of a prototype for visualizing the position of trains in a railway network|url=http://repositorio.roca.utfpr.edu.br/jspui/handle/1/9732|journal=|volume=|pages=|via=}}</ref>. It was first released in 2010 and is written in [[C++]] which is built using the Borland IDE compiler. The on screen displays are designed to mimic those of a typical British Integrated Electronic Control Centre, with a window depicting a track layout on which the locations and identifiers of services are displayed<ref>{{cite magazine |last= |first= |date=June 2012 |title=Introducing IECC Scalable |url= |magazine=The Rail Engineer |issue=92 |location= |publisher=}}</ref>. Three main modes are available which allow the user to operate a railway, edit the route map displayed, or create timetables using a special syntax. The availability of an editor has meant an ever increasing number of user-made routes being available from the online repository.