Alstom has been awarded a contract to supply and install a new signalling system for CPTM’s Mauá Norte Yard on Line 10-Turquoise.
Alstom has signed a contract with Companhia Paulista de Trens Metropolitanos (CPTM) to supply and implement a new railway signalling system for the Mauá Norte Yard on Line 10-Turquoise in São Paulo, Brazil.
The project will equip the newly built yard, located between Mauá and Capuava stations, with a complete signalling system designed to improve operational safety, increase efficiency and strengthen train management. Constructed by CPTM, the facility includes six new tracks for shunting, train formation and stabling trainsets outside operating hours.
The contract covers the supply, installation, testing and commissioning of electronic interlocking, track switch control equipment, trackside signals and train occupancy detection. The system has been designed to Safety Integrity Level 4 (SIL 4), the highest internationally recognised railway safety standard.
Modern signalling to improve operations
In addition to signalling equipment, Alstom will provide closed-circuit television, telecommunications infrastructure, access control systems and dedicated railway radio communications.
The new system will provide controllers with real-time visibility of track occupancy, helping improve train allocation and dispatching decisions while reducing the risk of operational conflicts with the main line. The project is also expected to reduce delays, improve service reliability and create safer working conditions by reducing reliance on manual procedures.
Suely Sola, Managing Director of Alstom Brazil and Signalling & Infrastructure for Latin America, said: “A highly reliable and available signalling system is essential to optimise the operational management of the yard, enabling better allocation of trainsets, increased operational capacity, and reduced service delays and failures.”
The signalling solution has been developed by Alstom and has already been deployed on several projects across Latin America. The company said the entire system will be designed and delivered using Brazilian labour, supporting local skills development and domestic industry.
The project also includes integrating the new yard with the existing signalling systems at Capuava and Mauá, allowing continuous communication between adjacent railway infrastructure. Operations will be managed through a local control centre and two remote supervision posts linked to Line 10-Turquoise’s Operational Control Center, enabling real-time monitoring and centralised traffic management.
Alstom expects to complete the project within 18 months before providing six months of operational support. The contract also includes a two-year warranty following commissioning.
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