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[[Image:KX Simsig.png|thumb|250px|right|Screenshot of the [[King's Cross railway station|King's Cross]] version of Simsig]]
[[Image:KX Simsig.png|thumb|250px|right|Screenshot of the [[King's Cross railway station|King's Cross]] version of Simsig]]


'''SimSig''' is a free [[PC]]-based software simulation of modern [[United Kingdom|UK]] [[railway signalling]] systems, from the point of view of a [[signalman (rail)| railway signaller]]. It is based on the [[British Rail]] [[Integrated electronic control centre|Integrated Electronic Control Centre]] technology in use at several [[signal box]]es around the UK. There are twelve SimSigs currently availible. 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.
'''SimSig''' is a free [[PC]]-based software simulation of modern [[United Kingdom|UK]] [[railway signalling]] systems, from the point of view of a [[signalman (rail)| railway signaller]]. It is based on the [[British Rail]] [[Integrated electronic control centre|Integrated Electronic Control Centre]] technology in use at several [[signal box]]es 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.
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.

Revision as of 11:07, 19 December 2006

File:SimSig Swindon.png
Screenshot of the Swindon version of Simsig
File:KX Simsig.png
Screenshot of the King's Cross version of 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.