How Highway Noise Barriers Can Make Traffic Louder – Cheddar Explains

From Cheddar.

Highway noise barriers are intended to reduce traffic sounds for nearby residents and businesses. And there are over 3,000 miles of these walls lining U.S. highways. However, recent studies show they might not work as well as intended. And could actually be amplifying noise in some locations.

Further reading:

Undark
https://undark.org/2017/12/27/highway-noise-barrier-science/

Federal Highway Administration https://www.fhwa.dot.gov/environment/noise/noise_barriers/inventory/

Jalopnik
https://jalopnik.com/highway-noise-barriers-are-a-lie-1827833859

Wisconsin Department of Transportation https://wisconsindot.gov/Pages/projects/by-region/nw/i94hudson/faq.aspx

Smithsonian Mag
https://www.smithsonianmag.com/smart-news/movie-studios-and-hollywood-bowl-asked-freeway-noise-barriers-first-180953510/

Sound Walls
https://soundwalls.com/why-sound-walls/

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