{"version":"1.0","provider_name":"\u80e1\u601d WooSee","provider_url":"https:\/\/woosee.pro\/en\/","author_name":"\u80e1\u601d","author_url":"https:\/\/woosee.pro\/en\/author\/solo\/","title":"Traffic Lights and Design Logic in UK Roundabouts - \u80e1\u601d WooSee","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"Ay2GsQAvtf\"><a href=\"https:\/\/woosee.pro\/en\/traffic-lights-design-logic-uk-roundabouts\/\">Traffic Lights and Design Logic in UK Roundabouts<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/woosee.pro\/en\/traffic-lights-design-logic-uk-roundabouts\/embed\/#?secret=Ay2GsQAvtf\" width=\"600\" height=\"338\" title=\"&#8220;Traffic Lights and Design Logic in UK Roundabouts&#8221; &#8212; \u80e1\u601d WooSee\" data-secret=\"Ay2GsQAvtf\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\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\/\/# sourceURL=https:\/\/woosee.pro\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/woosee.pro\/wp-content\/uploads\/2026\/05\/traffic-lights-design-logic-uk-roundabouts-fb.jpg","thumbnail_width":810,"thumbnail_height":539,"description":"The design logic of UK roundabouts uses traffic lights to balance vehicle flow and ensure traffic stability, preventing congestion. This approach contrasts sharply with the simpler intersections commonly found in Hong Kong."}