Research: Noise and Vibration

Noise and vibration are byproducts of urban rail systems, exacerbated by siting metro infrastructure near to sources of demand. This study was carried out as a follow-up to previous work that has been carried out in CoMET and Nova on the topic and examined practices to reduce and mitigate noise and vibration from 27 CoMET and Nova metros.

The research covers a number of areas including benchmarking of metro networks, benchmarking of noise and vibration levels, key issues causing noise and vibration across metros, relevant regulation, targets, and importantly initiatives to reduce and mitigate noise and vibration. The study identifies the key actions that metros can undertake during planning, design and operations, as well as proactive and reactive measures that metros can take once the system is already operating and established. The widest and likely most effective range of actions can be taken early in design and planning, but there are a number of options across operations and maintenance that can help to manage and reduce noise and vibration. The challenge is for metro operators will be to continue to mitigate, manage and reduce noise and vibration impacts alongside rising expectations for liveability in cities, regulatory requirements, and the long-term nature of infrastructure design.

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Posted in Community of Metros Research