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SelTrac was originally developed in the 1970s by [[Standard Elektrik Lorenz]] (the "SEL" in the name) of Germany for the [[Krauss-Maffei Transurban]], an [[automated guideway transit]] system proposed for the [[GO-Urban]] network in the [[Greater Toronto Area]] in Canada. Although the GO-Urban project failed, the Transurban efforts were taken over by an [[Ontario]] consortium led by the [[Urban Transportation Development Corporation]] (UTDC), and adapted to become its [[Bombardier Innovia Metro|Intermediate Capacity Transit System]] (ICTS). This technology was first used on the [[SkyTrain (Vancouver)|SkyTrain]] network in [[Vancouver]], British Columbia and the [[Scarborough RT]] in [[Toronto]], Ontario.
SelTrac was originally developed in the 1970s by [[Standard Elektrik Lorenz]] (the "SEL" in the name) of Germany for the [[Krauss-Maffei Transurban]], an [[automated guideway transit]] system proposed for the [[GO-Urban]] network in the [[Greater Toronto Area]] in Canada. Although the GO-Urban project failed, the Transurban efforts were taken over by an [[Ontario]] consortium led by the [[Urban Transportation Development Corporation]] (UTDC), and adapted to become its [[Bombardier Innovia Metro|Intermediate Capacity Transit System]] (ICTS). This technology was first used on the [[SkyTrain (Vancouver)|SkyTrain]] network in [[Vancouver]], British Columbia and the [[Scarborough RT]] in [[Toronto]], Ontario.


SelTrac was primarily sold and developed by [[Alcatel-Lucent|Alcatel]], through a subsidiary. SelTrac is now sold by [[Thales Rail Signalling Solutions|Thales]] from their Canadian unit, after it purchased many of Alcatel's non-telephony assets.
SelTrac was primarily sold and developed by [[Alcatel-Lucent|Alcatel]], through a subsidiary. SelTrac was then sold by [[Thales Rail Signalling Solutions|Thales]] from their Canadian unit (, after it purchased many of Alcatel's non-telephony assets.

On May 31, 2024, [[Hitachi Rail]] completed the acquisition of [[Thales Group|Thales]]' Ground Transportation Systems (GTS) business, making SelTrac a product of [[Hitachi]].<ref>{{Cite web |title=Hitachi Rail acquires Thales' Ground Transportation Systems for €1,660m : May 31, 2024 |url=https://www.hitachi.com/New/cnews/month/2024/05/240603a.html |access-date=2024-06-24 |website=www.hitachi.com}}</ref><ref>{{Cite web |date=2024-05-31 |title=Thales has completed the sale of its Ground Transportation Systems business {{!}} Thales Group |url=https://www.thalesgroup.com/en/worldwide/transport/press_release/thales-has-completed-sale-its-ground-transportation-systems |access-date=2024-06-24 |website=www.thalesgroup.com |language=en}}</ref>


==Description==
==Description==
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* [[Newark Liberty International Airport]] [[AirTrain Newark]] 1996/2001 SelTrac CBTC UTO
* [[Newark Liberty International Airport]] [[AirTrain Newark]] 1996/2001 SelTrac CBTC UTO
* [[New York City Subway]]
* [[New York City Subway]]
** [[BMT Canarsie Line]] – Phase III 2006 Interoperability Program SelTrac CBTC/R STO
** [[IRT Flushing Line]] 2016 SelTrac CBTC/R STO
** [[IRT Flushing Line]] 2016 SelTrac CBTC/R STO
* Ottawa [[O-Train]] [[Confederation Line]] 2018 SelTrac CBTC/R STO
* Ottawa [[O-Train]] [[Confederation Line]] 2018 SelTrac CBTC/R STO
* [[Paris Metro]] [[Paris Métro Line 13|Line 13]] – Ouragan 2012 SelTrac CBTC/R DTO
* [[Paris Metro]] [[Paris Métro Line 13|Line 13]] – Ouragan 2012 SelTrac CBTC/R DTO
* [[San Francisco Municipal Railway|SFMTA]] [[Muni Metro]] ([[Market Street Subway]]) 1997 SelTrac CBTC DTO
* [[San Francisco Municipal Railway|SFMTA]] [[Muni Metro]] ([[Market Street subway]]) 1997 SelTrac CBTC DTO
* [[Seoul Metropolitan Subway]] [[Shinbundang Line]] 2011 SelTrac CBTC/R UTO
* [[Seoul Metropolitan Subway]] [[Shinbundang Line]] 2011 SelTrac CBTC/R UTO
* [[Shanghai Metro]]
* [[Shanghai Metro]]
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** [[Line 11 (Shanghai Metro)|Line 11]] 2010 SelTrac CBTC/R STO
** [[Line 11 (Shanghai Metro)|Line 11]] 2010 SelTrac CBTC/R STO
* [[Mass Rapid Transit (Singapore)|Singapore MRT]]
* [[Mass Rapid Transit (Singapore)|Singapore MRT]]
** [[North South MRT line|North South line]] 2017/2018 SelTrac CBTC/R UTO
** [[North South MRT line|North South line]] 2017/2018 SelTrac CBTC/R DTO
** [[East West MRT line|East West line]] 2017/2018 SelTrac CBTC/R UTO
** [[East West MRT line|East West line]] 2017/2018 SelTrac CBTC/R DTO
* [[Tampa International Airport]] APM 1992 SelTrac CBTC UTO
* [[Tampa International Airport]] APM 1992 SelTrac CBTC UTO
* [[Toronto rapid transit]] 2008/10 SelTrac Speed/Signal Safeguard
* [[Toronto rapid transit]] 2008/10 SelTrac Speed/Signal Safeguard
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==SelTrac Incidents==
==SelTrac Incidents==
* 2021 [[2021 Kelana Jaya LRT collision|Kelana Jaya LRT collision]] - no fatalities but 213 injured
* 2019 [[Tsuen Wan line#Incidents|MTR Tsuen Wan Line CBTC accident]] - no fatalities but two MTR staff sent to hospital for observations
* 2019 [[Tsuen Wan line#Incidents|MTR Tsuen Wan Line CBTC accident]] - no fatalities but two MTR staff sent to hospital for observations
* 2017 [[Joo Koon rail accident]] - no fatalities but 38 injuries including 2 SMRT staff
* 2017 [[Joo Koon rail accident]] - no fatalities but 38 injuries including 2 SMRT staff

== See also ==
⚫
* [https://web.archive.org/web/20090208214940/http://www.xs4all.nl/~dodger/tech.htm SelTrac technology]
⚫
* [https://web.archive.org/web/20090209014020/http://www.railway-technical.com/sigtxt3.shtml#Moving-Block-Why-Do-We-Need-It Moving Block Why do we Need It]


== References ==
== References ==
{{Reflist}}
{{Reflist}}

==External links==
*[https://www.thalesgroup.com/en/markets/transport Official website]
⚫
*[https://web.archive.org/web/20090208214940/http://www.xs4all.nl/~dodger/tech.htm SelTrac technology]
⚫
* [https://web.archive.org/web/20090209014020/http://www.railway-technical.com/sigtxt3.shtml#Moving-Block-Why-Do-We-Need-It Moving Block Why do we Need It]


{{Thales Group}}
{{Thales Group}}

Latest revision as of 15:06, 11 September 2024

SelTrac is a digital railway signalling technology used to automatically control the movements of rail vehicles. It was the first fully automatic moving-block signalling system to be commercially implemented.

SelTrac was originally developed in the 1970s by Standard Elektrik Lorenz (the "SEL" in the name) of Germany for the Krauss-Maffei Transurban, an automated guideway transit system proposed for the GO-Urban network in the Greater Toronto Area in Canada. Although the GO-Urban project failed, the Transurban efforts were taken over by an Ontario consortium led by the Urban Transportation Development Corporation (UTDC), and adapted to become its Intermediate Capacity Transit System (ICTS). This technology was first used on the SkyTrain network in Vancouver, British Columbia and the Scarborough RT in Toronto, Ontario.

SelTrac was primarily sold and developed by Alcatel, through a subsidiary. SelTrac was then sold by Thales from their Canadian unit (, after it purchased many of Alcatel's non-telephony assets.

On May 31, 2024, Hitachi Rail completed the acquisition of Thales' Ground Transportation Systems (GTS) business, making SelTrac a product of Hitachi.[1][2]

Description

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SelTrac uses the twisted-loop concept developed by Siemens in the 1950s.[3]

Data communication is provided with either low frequency inductive loop or a high bandwidth, open-standards wireless system incorporating spread-spectrum radio technology.[4]

Installations

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SelTrac is installed in many railways around the world,[5] including the following:

SelTrac Incidents

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References

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  1. ^ "Hitachi Rail acquires Thales' Ground Transportation Systems for €1,660m : May 31, 2024". www.hitachi.com. Retrieved 2024-06-24.
  2. ^ "Thales has completed the sale of its Ground Transportation Systems business | Thales Group". www.thalesgroup.com. 2024-05-31. Retrieved 2024-06-24.
  3. ^ [1], see LZB
  4. ^ "Thales SelTrac CBTC Brochure" (PDF). Thales Group. Retrieved 21 March 2015.
  5. ^ "SELTRAC CBTC, COMMUNICATIONS-BASED TRAIN CONTROL FOR URBAN RAIL". Thales Group. Archived from the original on 2 April 2015. Retrieved 21 March 2015.
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