{"version":"1.0","provider_name":"Nanjing Roadsky Traffic Facility Co. Ltd (Roadsky Corporation)","provider_url":"https:\/\/roadskyguardrail.com\/fr","author_name":"admin","author_url":"https:\/\/roadskyguardrail.com\/fr\/author\/admin","title":"Highway Guardrail Dimensions: A Complete Guide - RoadSky","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"wVQp9HvLtx\"><a href=\"https:\/\/roadskyguardrail.com\/fr\/highway-guardrail-dimensions-a-complete-guide\">Dimensions des glissi\u00e8res de s\u00e9curit\u00e9 : Un guide complet<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/roadskyguardrail.com\/fr\/highway-guardrail-dimensions-a-complete-guide\/embed#?secret=wVQp9HvLtx\" width=\"600\" height=\"338\" title=\"\u00ab Dimensions des glissi\u00e8res de s\u00e9curit\u00e9 : Guide complet \u00bb - Nanjing Roadsky Traffic Facility Co. Ltd (Roadsky Corporation)\" data-secret=\"wVQp9HvLtx\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/* ]]> *\/\n<\/script>","thumbnail_url":"https:\/\/roadskyguardrail.com\/wp-content\/uploads\/2025\/04\/Standard-Highway-Guardrail-Dimensions.jpg","thumbnail_width":600,"thumbnail_height":400,"description":"When it comes to highway safety, guardrails play a critical role in protecting drivers, reducing crash severity, and preventing vehicles from leaving the roadway. One of the most important aspects of guardrail performance is its dimensions, which determine its ability to absorb impact and deflect vehicles effectively. What is a Highway Guardrail? A highway guardrail is a safety barrier installed along the sides of roads, bridges, or medians to reduce the impact of collisions. Guardrails are designed to: Standard Highway Guardrail Dimensions 1. W-Beam Guardrail Dimensions (Most Common Type) The W-beam is the most common type of guardrail used on highways worldwide. Component Standard Size Rail Length 4.32 m (14 ft) or 3.81 m (12.5 ft) Rail Height (above ground) 750 mm to 810 mm (29.5&#8243; to 32&#8243;) Rail Thickness 2.67 mm (12 gauge) or 3.43 mm (10 gauge) Post Height 1828.8 mm (6 ft) standard steel post Post Spacing 1905 mm (6 ft 3 in) center-to-center W-beam guardrails are ..."}