Summary:
Lisbon Metro is upgrading its rail signaling system since May 2021.
Work mainly occurs at night to reduce disruption.
Blue Line is the first to implement the new CBTC technology.
Significant software upgrades were completed on April 20.
Full functionality expected by first quarter of 2025.
Significant Upgrades in Lisbon's Metro System
The Lisbon Metro is currently undergoing a major investment project that began in May 2021, aimed at completely replacing its outdated rail signaling system, which dates back to the 1970s. This upgrade is set to enhance safety and efficiency in train operations.
Nighttime Works and Testing
Most of the work is being conducted at night during service interruptions to minimize disruption to daily commuters. The Blue Line is the first to receive the new Communication-Based Train Control (CBTC) system, which will be crucial for testing and implementation before expanding to other lines.
On April 20, a significant milestone was achieved with the software upgrade of the main control equipment for the new signaling system on the Blue Line. Following this update, a series of nightly tests are being conducted to validate the new system's functionalities, focusing on the supervision of train movements and schedules to improve frequency and reduce wait times.
Future Outlook
The Lisbon Metro anticipates that all functionalities of the new CBTC system will be operational on the Blue Line by the first quarter of 2025. The Metro management expresses regret for any inconveniences caused by recent service interruptions and appreciates the understanding of its customers. They emphasize their commitment to mitigating such issues in the future through collaboration with technical teams and external partners.
As the Metro embarks on this significant transition nearly 50 years after the original system was installed, it aims to deliver improved reliability, shorter wait times, and a quicker response to service disruptions in line with international standards.
The commitment of all Lisbon Metro employees remains focused on addressing the current and future mobility challenges in the Lisbon Metropolitan Area.
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