São Paulo Rail: Siemens, Trivia Trens Modernize with ATO over ETCS Level 2

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Introduction

Siemens Mobility has contracted with Trivia Trens S.A. to modernize three commuter rail lines in São Paulo using Automatic Train Operation (ATO) over ETCS Level 2, covering 140 kilometers of track and 46 stations.

Main Content

Project Scope and Technology

The project encompasses lines 11-Coral, 12-Sapphire, and 13-Jade. The deployment will deliver a digital signaling and control system. Siemens Mobility will design, supply, install, and commission a complete signaling system, including an Advanced Traffic Management System (ATS), modern interlocking systems, Radio Block Centre (RBC), and associated trackside equipment.

Rolling Stock and Equipment

More than 130 vehicles will be equipped with Siemens’ Trainguard ETCS on-board units. This includes 107 trains, six MRS locomotives, three TRIVIA locomotives, and 17 auxiliary vehicles. The agreement also includes a two-year warranty and the provision of spare parts.

Technology Integration

ATO over ETCS combines ETCS Level 2 and ATO. ETCS Level 2 ensures continuous supervision and control of train movements via digital radio communication. The ATO system automates driving functions, such as acceleration, braking, and station stops, achieving Grade of Automation (GoA) Level 2.

Operational and Environmental Benefits

This integration aims to optimize headways, improve journey smoothness, and increase service frequency while maintaining safety standards. Energy-efficient driving algorithms are expected to reduce energy consumption and peak power demand. The modular architecture enables future system upgrades.

Conclusion

Siemens Mobility and Trivia Trens are implementing ATO over ETCS Level 2 to establish a more reliable, sustainable, and digitally integrated rail network in São Paulo.

Company Summary

Siemens Mobility: A company that has signed a major contract with Trivia Trens S.A. to modernise three of São Paulo’s commuter rail lines using Automatic Train Operation (ATO) over ETCS Level 2.

Trivia Trens S.A.: A company that has signed a major contract with Siemens Mobility to modernise three of São Paulo’s commuter rail lines using Automatic Train Operation (ATO) over ETCS Level 2.

Technology

Automatic Train Operation (ATO): A system that automates key driving functions, such as acceleration, braking, and precise station stops, achieving Grade of Automation (GoA) Level 2.

ETCS Level 2: Ensures continuous supervision and control of train movements via digital radio communication.

Advanced Traffic Management System (ATS): Part of the complete signaling system.

Radio Block Centre (RBC): Part of the complete signaling system.

Trainguard ETCS: Siemens’ on-board units.

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