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  2. Traffic barrier - Wikipedia

    en.wikipedia.org/wiki/Traffic_barrier

    Traffic barrier with a pedestrian guardrail behind it. Traffic barriers (known in North America as guardrails or guard rails, [1] in Britain as crash barriers, [2] and in auto racing as Armco barriers [3]) keep vehicles within their roadway and prevent them from colliding with dangerous obstacles such as boulders, sign supports, trees, bridge abutments, buildings, walls, and large storm drains ...

  3. Cable barrier - Wikipedia

    en.wikipedia.org/wiki/Cable_barrier

    High-tension cable consists of three or four pre-stretched cables supported by weak posts. Currently, all high-tension systems are proprietary, that is, marketed under exclusive right of a specific manufacturer. During installation, the cables are placed on the posts, and then tightened to a specific tension according to temperature. The ...

  4. Guard rail - Wikipedia

    en.wikipedia.org/wiki/Guard_rail

    Staircase railings in the Degré du roi, part of the Petit appartement du roi, in the Palace of Versailles, Versailles, France. Guard rails, guardrails, railings or protective guarding, [1] in general, are a boundary feature and may be a means to prevent or deter access to dangerous or off-limits areas while allowing light and visibility in a greater way than a fence.

  5. How much does Iowa DOT pay to repair damaged guardrails ... - AOL

    www.aol.com/much-does-iowa-dot-pay-120315838.html

    Have you noticed damaged guardrails while driving Iowa's interstates? Iowa DOT says January's snowstorms there are a lot of repairs to be made.

  6. ET-Plus Guardrail - Wikipedia

    en.wikipedia.org/wiki/ET-Plus_Guardrail

    The ET-Plus Guardrail system is a guardrail end terminal system manufactured by Trinity Highway Products, based in Dallas, Texas. The ET-Plus was designed at the Texas A&M Transportation Institute and built by Trinity. The end terminal cap absorbs the impact of a crash. The wooden posts break and the guardrail collapses. [3]

  7. Guide rail - Wikipedia

    en.wikipedia.org/wiki/Guide_rail

    According to the US Federal Highway Administration, the terms guardrail and guiderail are synonymous. [5] Several types of roadway guide rail exist; all are engineered to guide vehicular traffic on roads or bridges. Such systems include W-beam, box beam, cable, and concrete barrier. Each system is intended to guide vehicles back onto the road ...

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