{"version":"1.0","provider_name":"Injury Prevention: Editor&#039;s Blog","provider_url":"https:\/\/blogs.bmj.com\/injury-prevention","author_name":"BMJ","author_url":"https:\/\/blogs.bmj.com\/injury-prevention\/author\/admin\/","title":"Traffic lights...robots...robocops? - Injury Prevention: Editor&#039;s Blog","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"wKN0uYDW8l\"><a href=\"https:\/\/blogs.bmj.com\/injury-prevention\/2015\/08\/05\/traffic-lights-robots-robocops\/\">Traffic lights&#8230;robots&#8230;robocops?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blogs.bmj.com\/injury-prevention\/2015\/08\/05\/traffic-lights-robots-robocops\/embed\/#?secret=wKN0uYDW8l\" width=\"600\" height=\"338\" title=\"&#8220;Traffic lights&#8230;robots&#8230;robocops?&#8221; &#8212; Injury Prevention: Editor&#039;s Blog\" data-secret=\"wKN0uYDW8l\" 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:\/\/blogs.bmj.com\/injury-prevention\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"The early twentieth-century intersection was a strange scene. While the world\u2019s largest automobile manufacturer sold over 20,000 cars a month in 1914, horse-drawn wagons and carts still crowded the streets, and accidents became increasingly frequent. Intersections in major cities were congested, and traffic was directed by police officers who stood in the middle of chaotic [...]Read More...","thumbnail_url":"https:\/\/www.google.com\/logos\/doodles\/2015\/101st-anniversary-of-the-first-electric-traffic-signal-system-5751092593819648-hp2x.gif"}