Search results for highway noise

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A “perfect storm” – Recent actions by all three branches of the federal government address more types of aircraft noise, and acknowledge that adverse effects extend beyond traditional noise contours.

…by Ted Baldwin Serious federal attention to aircraft noise began around 1960, largely in response to community concerns (okay, complaints) related to the introduction of early air carrier jets…

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FHWA Proposes Revisions to Procedures for Traffic Noise Abatement

…changes would provide many clarifications, as well as some new additions and other changes that may influence traffic noise studies for many years to come. Highway Traffic First, a little…

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The Source, Of Course

…by Lance Meister (The first in an occasional series on the basics of noise and vibration as they relate to trains and transit.) One of the basic things we…

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BTS Releases National Transportation Noise Map

…of a humming refrigerator). A much smaller segment of the U.S. resident population has the potential to be exposed to higher levels of aviation and Interstate highway noise. Less than…

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Noise Outside DNL 65

…term was coined in 1984 – ironically, the same year I started in this business), but is precipitated by the publication of ACRP Synthesis 16, Compilation of Noise Programs in…

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From Whence Came Ldn / DNL 65?

…by Nick Miller With FAA developing a research roadmap, and fears (hopes?) expressed by many in our airport noise community that the compatibility guideline might change, I became “curiouser…

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A Better Way to Compare Aircraft Noise and Emissions?

…by Nick Miller The World Health Organization (WHO) has recently published “Burden of disease from environmental noise, Quantification of healthy life years lost in Europe.” The title sparked my…

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MassDOT I-93 and I-95 Improvements Study Noise Analysis and Abatement Evaluation

noise measurements, noise modeling of the entire study area with the FHWA’s Traffic Noise Model (TNM), assessment of noise impact to residential and recreational areas adjacent to the highways, and…

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Stage 5 Aircraft Noise Standards Approved in US – What does it mean for airports?

…On October 4, 2017, the Federal Register published a new noise standard for newly certified large airplanes.[1] The noise standard, Stage 5, applies to large jets with a Maximum…

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FHWA Recommended Best Practices for the Use of the Traffic Noise Model

Highway projects receiving federal aid and requiring a traffic noise analysis must use the latest version of the FHWA Traffic Noise Model (TNM) according to 23 CFR 772.9(a). While…

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