{"version":"1.0","provider_name":"Gatech","provider_url":"https:\/\/gatech.fi\/en\/","author_name":"gatech","author_url":"https:\/\/gatech.fi\/en\/author\/gatech\/","title":"Stockholm's Metro: Perfect Yet Imperfect Gates - Gatech","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"aHl5KmHKnf\"><a href=\"https:\/\/gatech.fi\/en\/tukholman-metro-ja-taydelliset-mutta-epataydelliset-portit\/\">Stockholm's Metro: Perfect Yet Imperfect Gates<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/gatech.fi\/en\/tukholman-metro-ja-taydelliset-mutta-epataydelliset-portit\/embed\/#?secret=aHl5KmHKnf\" width=\"600\" height=\"338\" title=\"&#8220;Stockholm&#039;s Metro: Perfect Yet Imperfect Gates&#8221; &#8212; Gatech\" data-secret=\"aHl5KmHKnf\" 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\/\/# sourceURL=https:\/\/gatech.fi\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/gatech.fi\/wp-content\/uploads\/2024\/11\/f665008a94ce53eed689d3d980250a80.png","thumbnail_width":452,"thumbnail_height":280,"description":"Stockholm's Metro: Perfect Yet Imperfect Gates This article discusses the speed gates at the entrances of Stockholm's metro stations. We will examine why selecting the optimal gate is not always straightforward and what factors make the decision challenging. Gate Model and Operating Principle At Stockholm metro stations, full-height speed gates are primarily used at the [&hellip;]"}