SimSig
SimSig is a free PC-based software simulation of modern UK railway signalling systems, from the point of view of a railway signaller. It is based on the British Rail Integrated Electronic Control Centre technology in use at several signal boxes around the UK. There are twelve SimSigs currently available: King's Cross, Peterborough, Cambridge, North London Line, Stafford, Royston, Westbury, Didcot, Swindon, Bristol, Exeter, Waterloo, Southampton, and Liverpool Street. Furthermore, a Croydon demo sim has just been released, and is only available from the forum.
Although produced by signalling experts to ensure a high degree of realism, the simulations are suitable for lay people without any in-depth or professional knowledge of signalling systems to gain an insight into the job of a railway signaller. Users can create their own timetables with the in-built editor. All simulations can be joined over the Internet to share the workload. Some simulations can be linked together to form a chain of signalboxes for extended simulation.
Later Railtrack, the successors to British Rail, asked for a "professional" version of SimSig. This has been developed and known as TRESIM (pronounced tree-sim) and is currently used to train signallers at every Network Rail IECC and several panel signal boxes around the UK. As a result, Simsig is now free to download, and although is officially subject to only limited maintenance and update, the software is updated and new simulations do appear fairly regularly.
External links
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