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SkyTrain Noise Study

In response to noise concerns from residents along the Expo and Millennium lines, TransLink conducted a multi-step SkyTrain Noise Study in 2018. The results from this initial assessment were used to create a detailed sound model, which highlighted sources of noise that exist in the SkyTrain system and areas most in need of noise-mitigation measures. More details are available in the full report or summary report.

We want to be good neighbours, so we engaged an internationally recognized acoustic engineer to lead the SkyTrain noise analyses and mitigation investigations.

This work is more important now than ever before as Metro Vancouver continues to grow and more people choose to live near rapid transit lines. The results of the study will help us identify noise-reduction measures for our over 30-year-old system and inform future designs and investments.


The next part of the SkyTrain Noise Study was designed to investigate the feasibility and effectiveness of the six noise mitigation measures recommended in the 2018 initial assessment report.

These investigations were divided into two phases. Phase 1 involved studying all noise mitigation measures except for the top of rail friction modifiers and improvements to grinding practices, which require more time to investigate and are being addressed in Phase 2.

We'll continue to provide updates on our progress. Learn more in the reports below:

Next Steps

Some noise mitigation measures from Phase 1 are already being implemented. In most locations, you will not hear a sudden reduction in noise. These noise mitigation measures aim to make train noise levels more stable and consistent so that there are no longer times when the noise level is noticeably worse than others.

Throughout 2020 and beyond, TransLink will continue with Phase 2 noise mitigation investigations. We will then share an updated Recommendation Report and Implementation Plan. These recommendations will be for future consideration by TransLink. They will help to inform priorities for future investments with the intent of reducing noise levels and improving the livability of communities near the SkyTrain system.

State of Good Repair

While the SkyTrain Noise Study progresses, TransLink is committed to providing a safe and quality customer experience.

Our annual rail grinding program covers over 130 kilometres of running rail per year. Grinding addresses rail areas in need of re-profiling and defect removal. This work helps to prolong the life of the rail, improve ride quality, and lessen noise for customers and our neighbours. Our goal is to keep the system safe and in a state of good repair, and this is especially important as our system ages.

For more information, please email noisestudy@translink.ca.