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The Modified Thrie Beam Guardrail
About this film
Federal Highway Administration Video VH-2B The Modified Thrie Beam Guardrail The thrie beam guardrail has been modified to improve performance in large-vehicle impacts by increasing the depth and energy-absorbing capacity of the block-out. Crash tests show that this design can safely contain and redirect a wider range of vehicles than other W-beam designs. Terminals and transitions are shown. Costs of installation and repair are discussed, and the design is recommended for sites with heavy traffic.
Directors & creators
Federal Highway Administration
Subjects
fhwa.dot.gov;public.resource.org
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