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CAF SIGNALLING Rail Traffic Signalling Systems and Solutions

CAF SIGNALLING, the technological subsidiary of the CAF group, provides rail traffic signalling and control systems. As such, CAF Signalling offers a wide range of signalling solutions for high-speed, conventional, suburban, light rail and metro systems around the world.

Turnkey railway signalling projects

The company has in-house engineering and expertise to undertake turnkey railway signalling projects. It has recognition from several railway administrations in Europe, America, Africa, Middle East and Asia.

CAF SIGNALLING’s customers include:

  • ADIF (Spain)
  • RENFE (Spain)
  • ONCF (Morocco)
  • ENR (Egypt)
  • ANTALYA Municipality (Turkey)
  • TCDD (Turkey)
  • EFE (Chile)
  • MERVAL Valparaíso Metro (Chile)
  • DMRC New Delhi Metro (India)
  • NRIC (Bulgaria)
  • SECOPA (Brasil)
  • SCT (Mexico)
  • KMRT (Taiwan)

Advanced signalling technology: NAOS, AURIGA and QUASAR

The company provides comprehensive solutions for railway signalling both at infrastructure level and on-board.

The range of rail signalling developed by CAF Signalling has three major product lines:

  • AURIGA family: ERTMS Level 1, Level 2 and both combined
  • QUASAR family: electronic interlocking
  • NAOS family: integrated control centres

The highest quality product and service standards

CAF SIGNALLING combines advanced products with its own technology for comprehensive signalling solutions. It relies on growing efforts in research, development and innovation (RDI), particularly in the area of safety-critical systems. To this end, it boasts a young, competent and dynamic team committed to the company’s objectives and customers.

CAF SIGNALLING operates a certified integrated quality management system. This provides public recognition of the commitment it has towards the highest quality standards in its products and services.

Research, development and innovation for signalling systems

The company dedicates considerable resources to RDI. Its objective is to have a product portfolio with competitive, tailor-made solutions that meet customer requirements.

One of the key factors for the successful implementation and results of CAF SIGNALLING’s RDI is its proven capacity to understand customer requirements and to maintain a high level of collaboration with the teams responsible for other areas, including commercial, project execution, manufacture and technical support.

The company continuously strengthens the knowledge and technical skills of its team. It promotes an RDI structure based on creative teamwork, cooperation and group leadership to meet the business objectives tied to its products. It is particularly focused on the manufacture of competitive products, and meeting customer expectations.

Safety, reliability, availability and maintainability of signalling systems

CAF SIGNALLING’s RDI teams use suitable methodologies in order to achieve demanding attributes such as safety, reliability, availability and maintainability as required by the critical systems in which its products are applied.

Each new product presents a different challenge and the company is well-known for its competency. CAF SIGNALLING is well aware of the need for continuous improvement, and there are annual improvement plans in all RDI areas.

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Press Release

CAF Signalling Awarded the Renewal of the Valparaíso Metro Control System

Valparaíso Metro has awarded CAF Signalling a contract for the renewal of the Data Acquisition and Control System (SCADA), for all the company's facilities. The platform covers everything from high voltage substations to network station premises.

Product and Services
White Papers

Driving the Future of Signalling

CAF Signalling boosts its in-house engineering and expertise to undertake 'turnkey' railway signalling projects with recognition from administrations over Europe, America, Africa, the Middle East and Asia.


C/ Sepúlveda nº 7-B

28108 Alcobendas



+34 917 892 750 +34 916 613 751 www.cafsignalling.com


Press Release

3 May 2017

Valparaíso Metro has awarded CAF Signalling a contract for the renewal of the Data Acquisition and Control System (SCADA), for all the company's facilities. The platform covers everything from high voltage substations to network station premises.

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24 April 2015

In 2015 it will be five years since the foundation of CAF's subsidiary specialised in railways signalling: CAF Signalling.

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11 March 2015

The consortium made up of CAF Signalling, FCC and Revenga Ingenieros has been awarded a contract to install the safety and telecommunication systems on the access section of the High Speed Train (AVE) to Murcia. This contract amounts to €155 million.

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5 February 2015

As part of the Shift2Rail project, the company is developing the signalling and control systems that are set to optimise the capacity and performance of European railway systems.

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28 December 2014

The consortium lead by CAF has signed the contract for the Mexico-Toluca Intercity Railroad Project.

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9 July 2014

ADIF Alta Velocidad has awarded the consortium of CAF Signalling, Revenga Ingenieros and FCC Industrial e Infraestructuras Energéticas a €98.6m contract to develop Vandellós-Tarragona section of the Mediterranean Corridor and its connection with the High Speed Madrid-Barcelona-French border.

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1 June 2014

From 1st of January 2014, CAF has been accepted as Full Member of the UNISIG Consortium, built up with the major European ERTMS industries, with the purpose to develop, maintain and update the ERTMS specifications in close cooperation with the European Railway Agency (ERA).

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21 October 2013

In collaboration with a local partner, Emre-Ray, and its own Turkish subsidiary, CAF Sinyalizasyon, CAF Signalling and its local partner, Emre-Ray, have been awarded the signalling and communications contract, with ERTMS Level 1 of the seventy kilometre railway line between Pamukova and Köseköy in Turkey.

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5 May 2013

CAF Signalling sets the new CTC in service for operation from the CRC of Albacete, of the Albacete-Alicante section, in the project for signalling facilities, fixed telecommunications, centralised traffic control, etc. on the Madrid-Levante High-Speed. Albacete, La Encina Alicante Section.

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11 April 2013

Adif has awarded the consortium made up of Caf Signalling and Grupo Revenga the contract for the telecommunications and safety facilities of the Vigo and Sotomayor section on the high-speed Atlantic axis.

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Regional Offices


C/ Sepúlveda nº 7-B

28108 Alcobendas



+34 917 892 750 +34 916 613 751 www.cafsignalling.com

Plaza Majori nº 7


20240 Ordizia



CAF Sinyalizasyon

Kasap Sokal Eser Is Merkezi

C. Blok D. 60

34394 Esentepe



+90 212 217 76 02 +90 212 273 10 09

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