SimSig (English Wikipedia)

Rail Action Group, East of Scotland (January 2009). "The Rages Rag, Issue No. 40 - January 2009" (PDF). The Rages Rag (40): 3. Archived from the original (PDF) on 2011-10-06. Retrieved 2011-06-07.
Rail Action Group, East of Scotland (January 2011). "The Rages Rag, Issue No. 48 - January 2011" (PDF). The Rages Rag (48): 2. Archived from the original (PDF) on 2011-10-06. Retrieved 2011-06-07.

davros.org (Global: low place; English: low place)

"SimSig". Clive Feather. Retrieved 2008-12-26.

drivershed.com (Global: low place; English: low place)

Raymond Keattch (18 April 2004). "Amazing news for me". Retrieved 2008-12-27.

gensheet.co.uk (Global: low place; English: low place)

"SimSig". Gensheet. Archived from the original on 2009-02-21. Retrieved 2009-01-01.

hoosierdiv3nmra.org (Global: low place; English: low place)

"Tower Operations, United KIngdom Style" (PDF). NMRA NCR Convention. Retrieved 2009-08-28.^{[dead link]}

irse.org (Global: low place; English: low place)

Mayo, Geoff (June 2009). "Computer Simulation" (PDF). IRSE News (146): 14–15. Retrieved 13 March 2012.

nlsme.co.uk (Global: low place; English: low place)

Marshall, Alan (September 2006). "Dipping a toe into Signalling" (PDF). North London Society of Model Engineers Newsletter. No. 673. London: NLSME. p. 21. Retrieved 2008-12-27.

railfest2004.co.uk (Global: low place; English: low place)

"Simsig — Signal box simulation software — railfest 2004 - National Railway Museum, York". Archived from the original on 2004-12-11. Retrieved 2009-01-14.

rgsonline.co.uk (Global: low place; English: low place)

"Code of Practice GK/RC 0721; Section 1.4.2.3 Main or Warner Class Route Selection" (PDF). Railway Group Standards. Retrieved 2015-07-01.^{[permanent dead link]}
"Online Rulebook Section TW1 Subsection 32 - Single lines worked with a token" (PDF). RSSB. Archived from the original (PDF) on 2013-12-19. Retrieved 2015-07-01.

rssb.co.uk (Global: low place; English: low place)

"Development of rail safety material for teachers and schools (T064a)". www.rssb.co.uk. Rail Safety and Standards Board. Retrieved 15 October 2018.

signalbox.org (Global: low place; English: low place)

John Hinson. "Games and Simulations". The Signal Box. Retrieved 2009-01-01. SimSig is a remarkable and highly realistic IECC simulation by Geoff Mayo

simsig.co.uk (Global: low place; English: low place)

"Donate". www.simsig.co.uk. Retrieved 2009-02-07.
"Story of Swindon B and sale to the Railway Engineering Company". SimSig. Archived from the original on 2007-07-28. Retrieved 2008-12-27.
"Simulations Manuals". SimSig. Retrieved 2014-01-27.

strainstall.com (Global: low place; English: low place)

"Strainstall Acquires The Railway Engineering Company". Strainstall UK. Archived from the original on 2009-02-21. Retrieved 2009-01-01.

transportsim.co.uk (Global: low place; English: low place)

"Sundry Strategy Titles". TRANSPORT SIMULATION UK. Retrieved 2008-12-27.

usp.br (Global: 1,596^th place; English: 3,629^th place)

teses.usp.br

Moretti Fioroni, Marcello (2007). "Simulação Em Ciclo Fechado De Malhas Ferroviárias E Suas Applicações No Brasil: Avaliação De Alternativas Para O Direcionamento De Composições" (PDF) (in Portuguese). São Paulo: Universidade de São Paulo. p. 61. Retrieved 1 September 2010.

web.archive.org (Global: 1^st place; English: 1^st place)

"SimSig". Gensheet. Archived from the original on 2009-02-21. Retrieved 2009-01-01.
"Story of Swindon B and sale to the Railway Engineering Company". SimSig. Archived from the original on 2007-07-28. Retrieved 2008-12-27.
"Strainstall Acquires The Railway Engineering Company". Strainstall UK. Archived from the original on 2009-02-21. Retrieved 2009-01-01.
"Simsig — Signal box simulation software — railfest 2004 - National Railway Museum, York". Archived from the original on 2004-12-11. Retrieved 2009-01-14.
"Online Rulebook Section TW1 Subsection 32 - Single lines worked with a token" (PDF). RSSB. Archived from the original (PDF) on 2013-12-19. Retrieved 2015-07-01.
Rail Action Group, East of Scotland (January 2009). "The Rages Rag, Issue No. 40 - January 2009" (PDF). The Rages Rag (40): 3. Archived from the original (PDF) on 2011-10-06. Retrieved 2011-06-07.
Rail Action Group, East of Scotland (January 2011). "The Rages Rag, Issue No. 48 - January 2011" (PDF). The Rages Rag (48): 2. Archived from the original (PDF) on 2011-10-06. Retrieved 2011-06-07.

winehq.org (Global: low place; English: low place)

appdb.winehq.org

"WineHQ — SimSig 2.103". Wine HQ. Retrieved 2008-12-26.

SimSig (English Wikipedia)

btinternet.co.uk (Global: low place; English: low place)

kylemore.btinternet.co.uk

davros.org (Global: low place; English: low place)

drivershed.com (Global: low place; English: low place)

gensheet.co.uk (Global: low place; English: low place)

hoosierdiv3nmra.org (Global: low place; English: low place)

irse.org (Global: low place; English: low place)

nlsme.co.uk (Global: low place; English: low place)

railfest2004.co.uk (Global: low place; English: low place)

rgsonline.co.uk (Global: low place; English: low place)

rssb.co.uk (Global: low place; English: low place)

signalbox.org (Global: low place; English: low place)

simsig.co.uk (Global: low place; English: low place)

strainstall.com (Global: low place; English: low place)

transportsim.co.uk (Global: low place; English: low place)

usp.br (Global: 1,596th place; English: 3,629th place)

teses.usp.br

web.archive.org (Global: 1st place; English: 1st place)

winehq.org (Global: low place; English: low place)

appdb.winehq.org

usp.br (Global: 1,596^th place; English: 3,629^th place)

web.archive.org (Global: 1^st place; English: 1^st place)