Wheel squeal in rail transit systems

D. Chin-Quee


One of the most prevalent noise by-products of rail transit is wheel squeal. Due to high sound pressure levels (SPL) and pure tones, wheel squeal is increasingly of concern. It results in discomfort to passengers and unacceptably noisy environments for neighbouring land uses. Most environmental noise guidelines do not address this noise source. When it is addressed, the need to mitigate is tempered by the role of transit as a public convenience and essential service, and the limited success of mitigation techniques


acoustic noise; noise abatement; pollution; railways; rail transit; wheel squeal; sound pressure levels; pure tones; noisy environments; neighbouring land; environmental noise guidelines; noise source; mitigation techniques

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