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.