Siemens-TfL Piccadilly Line: Future Rail Maintenance Insights
Siemens Mobility secures a £1.5 billion, 35-year contract with TfL for Piccadilly line train maintenance. Learn how cutting-edge technology will keep these new trains running smoothly.

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Introduction
In April 2023, Siemens Mobility was awarded a contract by Transport for London (TfL) to provide a comprehensive train maintenance service for the new generation of Tube trains operating on the Piccadilly line. This agreement, valued at approximately £1.5 billion, will span a period of 35 years.
Contract Details
The contract covers the maintenance of 94 nine-car trains, which are part of the New Tube for London program. Siemens Mobility will be responsible for all aspects of train maintenance, including preventative and corrective maintenance, as well as the provision of spare parts. The trains are expected to enter passenger service from 2025.
Maintenance Facility
The maintenance activities will be carried out at the new state-of-the-art facility located in the vicinity of the Hammersmith depot. This facility will be equipped with advanced technologies to ensure the trains’ optimal performance and reliability. The program will generate over 200 jobs. The project will involve the construction of a new Crossrail maintenance facility, which will be the base for the maintenance teams.
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Technology and Innovation
Siemens Mobility will incorporate its latest digital maintenance technologies and data analytics to optimize train availability and reduce lifecycle costs. This includes the use of condition-based maintenance, which will enable predictive maintenance and minimize disruptions to passenger service. The company will also implement a comprehensive training program to ensure that the maintenance teams have the necessary skills and expertise to maintain the new trains.
Impact and Benefits
The new Piccadilly line trains are designed to increase capacity by up to 23% and provide a more comfortable and reliable journey for passengers. The long-term maintenance contract with Siemens Mobility will support these goals by ensuring that the trains are kept in optimal condition throughout their operational life. The contract is a key part of TfL’s plans to modernize and improve the London Underground.
Conclusion
Siemens Mobility has secured a 35-year contract with Transport for London, valued at approximately £1.5 billion, to maintain the new Piccadilly line trains. This agreement encompasses all maintenance aspects and the operation will be based at a new facility near the Hammersmith depot, with the trains expected to be in service from 2025.
Company Summary
Siemens Mobility: Siemens Mobility is a separate legal entity of Siemens AG. As a leading provider of transport solutions for more than 160 years, Siemens Mobility is constantly innovating its portfolio. Its core areas include rolling stock, rail automation and electrification, a comprehensive range of software solutions, and turnkey systems and services.
Transport for London (TfL): Transport for London (TfL) is the local government body responsible for the transport system in Greater London, England.
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