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Traffic Noise

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Constructing a sound barrier along highway

ETAP Podcast: Reducing Negative Impacts of Traffic Noise

By November 11, 2021

In this episode of the Environmental Technical Assistance Program or ETAP Podcast, Noel Alcala – noise and air quality coordinator at the Ohio Department of Transportation – discusses the negative…

Highway sound barrier

Noise Abatement Part 2: State DOTs Study New Noise Wall Options

By Amber GarnettNovember 18, 2020

State departments of transportation across of the country are looking at new and better ways to predict traffic noise levels, as well new materials for highway sound barriers, in order…

Construction crew putting up sound barrier along highway

Noise Abatement Part 1: State DOTs Developing New Analytical Tools

By Amber GarnettNovember 11, 2020

State departments of transportation across of the country are looking at new and better ways to predict traffic noise levels, as well new materials for highway sound barriers, in order…

Driving in rainy season

TxDOT’s Traffic Noise Toolkit Helps Streamline Compliance

By Amber GarnettNovember 17, 2019

Highway project developers in Texas responsible for compliance with traffic noise regulations now have a comprehensive collection of documents to turn to for reference, thanks to Texas DOT’s (TxDOT) online Traffic…

2018 Traffic Noise Practitioners Summit

By Amber GarnettJune 28, 2018

This event brought together noise practitioners from states throughout the country, as well as staff from AASHTO and FHWA, to discuss emerging topics of interest in the field and define a roadmap for the future of noise programs and research.

Train bridge in forest.

Caltrans Uses Air Bubble Curtain Technology to Protect Wildlife During Bridge Implosions

By Amber GarnettDecember 2, 2016

The California Department of Transportation (Caltrans) is using cutting-edge technology to remove the marine foundations of the former East Span of the San Francisco-Oakland Bay Bridge while protecting area wildlife…

2015 Traffic Noise Practitioners Summit

By Amber GarnettOctober 22, 2015

This event brought together noise practitioners from 38 states throughout the country, as well as staff from AASHTO and FHWA, to discuss emerging topics of interest in the field and define a roadmap for the future of noise programs and research.

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