Noise generated by Road Traffic

Estimate noise level generated by traffic.

Example - Traffic noise from a road

From the first chart the hourly noise level from a road with 100 vehicles per hour and speed 75 km/h can be estimated to

62 dBA

If the percentage of heavy vehicles is 15% the last chart indicates that

3 dBA

must be added.

It can be assumed that the hourly noise level is approximately

62 dBA + 3 dBA = 65 dBA

Note that this level is only an indication. The noise is influenced by speed, standard and types of vehicles, tarmac quality, type of wheels with or without studs - and more.

Related Documents

Noise - Acceptable dB_A Level - Acceptable noise - dB_A - level at typical common locations.
NR - the Noise Rating Curve - The Noise Rating (NR) Curve used to determine acceptable indoor environments for hearing preservation, speech communication and annoyance.
Outdoor Ambient Sound Pressure Levels - Outdoor ambient sound pressure levels (dBA) in rural and urban business and industrial environments with or without limited traffic.
Propagation of Outdoor Sound - Partial Barriers - The transmission of outdoor sound through and around barriers - the Fresnel Number.
Propagation of Sound Outdoors - Attenuation vs. Distance - The propagation of outdoors sound vs. distance and attenuation.
Vehicles Traffic Flow and Density - Traffic flow and density as used in highway design.

Noise generated by Road Traffic

Estimate noise level generated by traffic.

Example - Traffic noise from a road

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