Armadale Line Upgrade: Perth’s Rail Infrastructure Modernization
“The Armadale Line upgrade is underway! PTA is investing $700 million to modernize the Perth railway network, including 25 kilometers of track and **Rocla Concrete Tie** sleepers.

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Introduction
In December 2023, the Public Transport Authority (PTA) of Western Australia announced the commencement of the Armadale Line shutdown, a project encompassing a significant upgrade to the Perth railway network, which will last for 18 months. The project involves a budget of $700 million and will see the replacement of the existing infrastructure.
Project Scope and Infrastructure Upgrade
The Armadale Line shutdown started on December 2, 2023, and is scheduled to last approximately 18 months. The project’s financial allocation is $700 million. The upgrade involves replacing the existing infrastructure with new components, including overhead line equipment, track, and signalling systems. The Public Transport Authority (PTA) is overseeing the project.
Specific Infrastructure Details
The project will replace 25 kilometers of track, which includes the installation of 45,000 Rocla Concrete Tie sleepers. Additionally, new overhead line equipment and signalling systems will be installed. The project’s goal is to modernize and improve the efficiency and reliability of the Armadale Line.
Operational Impact and Timeline
During the 18-month shutdown, the Armadale Line will be closed to train services. To mitigate the impact on commuters, replacement bus services will be provided. The PTA aims to complete the upgrade and reopen the line to passenger services by mid-2025.
Stakeholders and Project Goals
The key stakeholder in this project is the Public Transport Authority (PTA) of Western Australia. The primary goals of the project are to enhance the safety, reliability, and capacity of the Armadale Line, which is a crucial component of Perth’s public transport network.
The Armadale Line shutdown, managed by the Public Transport Authority (PTA) of Western Australia, involves a $700 million investment to upgrade the Perth railway network. This includes replacing 25 kilometers of track and installing 45,000 Rocla Concrete Tie sleepers, with completion expected by mid-2025.
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Company Summary
Public Transport Authority (PTA): The Public Transport Authority (PTA) of Western Australia is a government agency responsible for planning, developing, and operating public transport services in the Perth metropolitan area and regional Western Australia. It manages the rail, bus, and ferry networks.
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