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Health burden of transportation noise in the United States: a national assessment with equity analysis.

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Title: Health burden of transportation noise in the United States: a national assessment with equity analysis.
Authors: Rojas-Rueda, David1,2 (AUTHOR) David.Rojas@colostate.edu
Source: Environmental Research. Sep2026:Part 1, Vol. 305, pN.PAG-N.PAG. 1p.
Subjects: Transportation noise, Health equity, Socioeconomic disparities in health, World Health Organization, Population health, Health expectancy, Noise pollution, Cardiovascular diseases, Countries
Geographic Terms: United States
Abstract: The United States has not produced a national noise health burden estimate using disability-adjusted life year methodology. We quantified the population health burden of transportation noise across the contiguous United States and examined its distribution across states and socially vulnerable communities. We applied comparative risk assessment to census-tract noise exposure data from the National Transportation Noise Exposure Map for 324.4 million residents. We estimated attributable ischemic heart disease, ischemic stroke, cardiomyopathy, type 2 diabetes, cardiovascular mortality, high annoyance, and high sleep disturbance using exposure-response functions from WHO systematic reviews. We calculated disability-adjusted life years with WHO 2024 noise-specific disability weights, stratified by state and CDC Social Vulnerability Index quintile, with 12-parameter Monte Carlo uncertainty analysis. An estimated 94.5 million people were exposed to transportation noise at or above 45 dB LAeq. We attributed 272,600 DALYs annually (84 per 100,000; 95% UI: 45-121), including 6330 premature cardiovascular deaths, 11,400 ischemic heart disease cases, 13,600 type 2 diabetes cases, 12.3 million highly annoyed, and 3.3 million with high sleep disturbance. State burden varied six-fold, from 25 to 149 DALYs per 100,000. Communities in the highest social vulnerability quintile bore 2.29 times the burden of the least vulnerable. This is the first US noise burden estimate using WHO DALY methodology with social vulnerability stratification. The equity disparity identifies target populations for noise reduction. Disability weights for annoyance (30%) and road noise fraction (32%) are the two largest contributors to DALY variance, followed by sleep disturbance disability weight (14%) and the LAeq-to-Lden offset (11%), pointing to source-specific noise mapping, larger valuation studies, and standardized metric conversion as priorities. • Transportation noise causes 272,600 DALYs annually in the contiguous US. • Noise exposure linked to 6330 cardiovascular deaths and 13,600 diabetes cases. • Most socially vulnerable communities bear 2.29x the noise health burden. • Road noise fraction and disability weights drive 76% of DALY variance. • First US noise burden estimate using WHO DALY methodology with equity analysis. [ABSTRACT FROM AUTHOR]
Copyright of Environmental Research is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: The United States has not produced a national noise health burden estimate using disability-adjusted life year methodology. We quantified the population health burden of transportation noise across the contiguous United States and examined its distribution across states and socially vulnerable communities. We applied comparative risk assessment to census-tract noise exposure data from the National Transportation Noise Exposure Map for 324.4 million residents. We estimated attributable ischemic heart disease, ischemic stroke, cardiomyopathy, type 2 diabetes, cardiovascular mortality, high annoyance, and high sleep disturbance using exposure-response functions from WHO systematic reviews. We calculated disability-adjusted life years with WHO 2024 noise-specific disability weights, stratified by state and CDC Social Vulnerability Index quintile, with 12-parameter Monte Carlo uncertainty analysis. An estimated 94.5 million people were exposed to transportation noise at or above 45 dB LAeq. We attributed 272,600 DALYs annually (84 per 100,000; 95% UI: 45-121), including 6330 premature cardiovascular deaths, 11,400 ischemic heart disease cases, 13,600 type 2 diabetes cases, 12.3 million highly annoyed, and 3.3 million with high sleep disturbance. State burden varied six-fold, from 25 to 149 DALYs per 100,000. Communities in the highest social vulnerability quintile bore 2.29 times the burden of the least vulnerable. This is the first US noise burden estimate using WHO DALY methodology with social vulnerability stratification. The equity disparity identifies target populations for noise reduction. Disability weights for annoyance (30%) and road noise fraction (32%) are the two largest contributors to DALY variance, followed by sleep disturbance disability weight (14%) and the LAeq-to-Lden offset (11%), pointing to source-specific noise mapping, larger valuation studies, and standardized metric conversion as priorities. • Transportation noise causes 272,600 DALYs annually in the contiguous US. • Noise exposure linked to 6330 cardiovascular deaths and 13,600 diabetes cases. • Most socially vulnerable communities bear 2.29x the noise health burden. • Road noise fraction and disability weights drive 76% of DALY variance. • First US noise burden estimate using WHO DALY methodology with equity analysis. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Environmental Research is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.envres.2026.124921
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
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      – SubjectFull: Transportation noise
        Type: general
      – SubjectFull: Health equity
        Type: general
      – SubjectFull: Socioeconomic disparities in health
        Type: general
      – SubjectFull: World Health Organization
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      – SubjectFull: Population health
        Type: general
      – SubjectFull: Health expectancy
        Type: general
      – SubjectFull: Noise pollution
        Type: general
      – SubjectFull: Cardiovascular diseases
        Type: general
      – SubjectFull: Countries
        Type: general
      – SubjectFull: United States
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      – TitleFull: Health burden of transportation noise in the United States: a national assessment with equity analysis.
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            – D: 01
              M: 09
              Text: Sep2026:Part 1
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              Y: 2026
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