ISO 3095:2025
ISO 3095:2025 Railway applications - Acoustics - Measurement of noise emitted by railbound vehicles
standard byInternational Organization for Standardization , 09/01/2025
standard byInternational Organization for Standardization , 09/01/2025
This document specifies measurement methods and conditions to obtain reproducible and comparable exterior noise emission levels and spectra for all kinds of vehicles operating on rails or other types of fixed track, hereinafter conventionally called “unit”.
u000bThis document is applicable to type testing of units.
u000bIt provides measurement procedures for vehicle exterior noise (in general, a vehicle type test is carried out using only a selected subset of these tests):
u000b— when the vehicle is moving at constant speed;
u000b— when the vehicle is accelerating or decelerating;
u000b— when the vehicle is stationary in different operating conditions.
u000bIt does not include all the instructions to characterize the noise emission of the infrastructure related sources (bridges, crossings, switching, impact noise, curving noise, etc.).
u000bThis document does not apply to
u000b— the noise emission of track maintenance units while working,
u000b— environmental impact assessment (collection of data to be used in a prediction method for environmental assessment),
u000b— noise immission assessment,
u000b— guided buses, and
u000b— warning signal noise.
u000bThe results can be used, for example
u000b— to characterize the exterior noise emitted by units,
u000b— to compare the noise emission of various units on a particular track section, and
u000b— to collect basic source data for units.
u000bNOTE Additional guidance is provided in AnnexE for measurements in the specific case of urban rail vehicles.