# Highway Safety: Transitions and End Treatments

Federal Highway Administration Video VH-48D Highway Safety: Transitions and End Treatments Oklahoma Department of Transportation. Proper installation and maintenance are shown for four end treatment types: breakaway cable, flared and buried, twisted and turned down, and the Sentre end treatment. The video opens with an overview of barrier end treatments and the criteria for selecting an end treatment type, and demonstrations show how end treatments work under impact. Next, guardrail-to-bridge rail transitions and stiffening of barrier sections are described, with explanations of the necessity of transitions and the key elements of transitions. Bridge rail and transition crash tests are shown in another video segment.

- Kind: Educational
- Year: 1989
- By: Federal Highway Administration
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/gov.dot.fhwa.ttp.vh-48d)
- 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.