# Highway Noise Barriers: Performance, Maintenance and Safety

Federal Highway Administration Video VH-707 Highway Noise Barriers: Performance, Maintenance and Safety The video illustrates different aspects of highway noise barriers. Topics covered include basic acoustics, barrier perforance, types of barriers, barrier materials, and maintenance and safety concerns.

- Kind: Educational
- Year: 1996
- By: Federal Highway Administration
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/gov.fhwa.ttp.vh-707)
- Licence or status: [CC0 1.0](http://creativecommons.org/publicdomain/zero/1.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

Not offered: its uploader or archive marks it public domain, and nothing the site holds bears that out (its record gives no year, or a year from 1978 on, which no US term has left), so where it is free is not known. Unclear is not offered.