




Certain subway cars, particularly those manufactured prior to 1970, had higher noise levels than newer cars.
Harris CM, Aitken BH. 1971. Noise in subway cars. Sound Vibration; February: 21-4.
Certain subway workers are more at risk. For example, operators and conductors are exposed to noise levels of 93-110 dB for 6-8 hours per day.
Harris CM, Aitken BH. 1971. Noise in subway cars. Sound Vibration; February: 21-4.
Noise on New York City subway platforms ranges from 56 to 97 dB, with highest levels occurring when trains brake as they enter stations and when express trains pass local stops
Gershon RRM, Qureshi KA, Barrera MA, Erwin MJ, and Goldsmith F. Health and Safety Hazards Associated with Subways: A Review. Journal of Urban Health: Bulletin of the New York Academy of Medicine, Vol. 82, No. 1