Assessment of honking impact on traffic noise in urban traffic environment of Nagpur, India.

J Environ Health Sci Eng · 2015 · PMC4334595 · PMID 25699187

Europe PMC DOI

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quite significantno p-value reported

Further, frequency analysis of traffic noise showed that honking contributed an additional 2 to 5 dB (A) noise, which is quite significant.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.