{"id":28033,"date":"2025-12-17T15:24:00","date_gmt":"2025-12-17T14:24:00","guid":{"rendered":"https:\/\/www.systra.com\/usa\/?post_type=projects&#038;p=28033"},"modified":"2025-12-17T15:24:01","modified_gmt":"2025-12-17T14:24:01","slug":"chicago-transit-authority-red-line-extension","status":"publish","type":"projects","link":"https:\/\/www.systra.com\/usa\/project\/cta-red-and-purple-modernization-program-2\/","title":{"rendered":"Chicago Transit Authority Red Line Extension"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"content-top-project\">\n    <div class=\"content-top-details\">\n        <svg class=\"icon-sprite details-logo\"><use xlink:href=\"#icon_deco_systra_blanc\" \/>\n        <div class=\"title\">Technical details<\/div>\n        \t        <div class=\"single-content\">\n\t            <div class=\"subtitle\">Customer<\/div>\n\t            <div class=\"desc\">Chicago Transit Authority<\/div>\n\t        <\/div>\n                    <div class=\"single-content\">\n                <div class=\"subtitle\">Localisation<\/div>\n                <div class=\"desc\">Chicago, IL<\/div>\n            <\/div>\n                    <div class=\"single-content\">\n                <div class=\"subtitle\">Activity<\/div>\n                <div class=\"desc\">Structural, track, signals, train control, communications, and traction power design, and EMI\/EMC, corrosion, and stray current control<\/div>\n            <\/div>\n           \n            \n    <\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>The Red Line Extension Program is the largest project in CTA history. It will provide faster connections from the Far South Side to the rest of the city while serving as an economic catalyst to one of the most disinvested parts of Chicago<font _mstmutation=\"1\" _msttexthash=\"4186\" _msthash=\"677\">. SYSTRA, in a joint venture as the lead designer for the Walsh-VINCI Transit Community Partners, is responsible for the design of a wide range of systems, including structural, track, signals, communications, power, and electrical.&nbsp; Our role also encompasses systems integration and validation.<\/font> <font _mstmutation=\"1\"><\/font><\/p>\n\n\n\n<p><font _mstmutation=\"1\" _msttexthash=\"8346156\" _msthash=\"1072\">The project will add four new fully accessible stations, which will feature multimodal connections at each station. The 96<\/font><sup _msttexthash=\"31876\" _msthash=\"1073\">th<\/sup><font _mstmutation=\"1\" _msttexthash=\"4346589\" _msthash=\"1074\"> Street interlocking will enable trains to move from the existing Red Line mainline to 98<\/font><sup _msttexthash=\"21372\" _msthash=\"1075\">th<\/sup><font _mstmutation=\"1\" _msttexthash=\"3758261\" _msthash=\"1076\"> Street yard and shop and new Red Line mainline. <\/font><\/p>\n\n\n\n<ul class=\"wp-block-list\"><\/ul>\n\n\n\n<p><font _mstmutation=\"1\"><\/font><\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:12px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-slider-images\">\n        <div class=\"wrapper-content-slider-images\">\n                    <ul class=\"content-slider-images\">\n                            <li class=\"wrapper-legende-img\">\n                    <a class=\"single-slider-popup\" href=\"https:\/\/www.systra.com\/usa\/wp-content\/uploads\/sites\/6\/2025\/06\/cta-rle-111-street.png\" >\n                        <div class=\"single-slider-images\" style=\"background-image: url(https:\/\/www.systra.com\/usa\/wp-content\/uploads\/sites\/6\/2025\/06\/cta-rle-111-street.png); background-position: center center ;\"><\/div>\n                                            <\/a>\n                <\/li>\n                            <li class=\"wrapper-legende-img\">\n                    <a class=\"single-slider-popup\" href=\"https:\/\/www.systra.com\/usa\/wp-content\/uploads\/sites\/6\/2025\/06\/cta-rle-103-street.png\" >\n                        <div class=\"single-slider-images\" style=\"background-image: url(https:\/\/www.systra.com\/usa\/wp-content\/uploads\/sites\/6\/2025\/06\/cta-rle-103-street.png); background-position: center center ;\"><\/div>\n                                            <\/a>\n                <\/li>\n                            <li class=\"wrapper-legende-img\">\n                    <a class=\"single-slider-popup\" href=\"https:\/\/www.systra.com\/usa\/wp-content\/uploads\/sites\/6\/2025\/06\/cta-rle-structural-rendering.png\" >\n                        <div class=\"single-slider-images\" style=\"background-image: url(https:\/\/www.systra.com\/usa\/wp-content\/uploads\/sites\/6\/2025\/06\/cta-rle-structural-rendering.png); background-position: center center ;\"><\/div>\n                                            <\/a>\n                <\/li>\n                            <li class=\"wrapper-legende-img\">\n                    <a class=\"single-slider-popup\" href=\"https:\/\/www.systra.com\/usa\/wp-content\/uploads\/sites\/6\/2025\/06\/cta-rle-station-rendering-overhead-1.png\" >\n                        <div class=\"single-slider-images\" style=\"background-image: url(https:\/\/www.systra.com\/usa\/wp-content\/uploads\/sites\/6\/2025\/06\/cta-rle-station-rendering-overhead-1.png); background-position: center center ;\"><\/div>\n                                            <\/a>\n                <\/li>\n                        <\/ul>\n            <\/div>\n\n<\/div>\n\n\n<p><font _mstmutation=\"1\"><\/font><\/p>\n\n\n\n<p><font _mstmutation=\"1\"><\/font><\/p>\n","protected":false},"author":197,"featured_media":6429,"parent":0,"template":"","type-market":[114],"project-market":[],"project-service":[],"project-location":[],"type-service":[75],"type-solution":[101],"class_list":["post-28033","projects","type-projects","status-publish","has-post-thumbnail","hentry","type-market-rail-and-transit","type-service-alternative-project-delivery","type-solution-alternative-project-delivery"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Chicago Transit Authority Red Line Extension - SYSTRA USA<\/title>\n<meta name=\"description\" content=\"Chicago Transit Authority Red Line Extension - SYSTRA USA, consulting and engineering firm, world leader in public transport infrastructure engineering.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chicago Transit Authority Red Line Extension\" \/>\n<meta property=\"og:description\" content=\"Chicago Transit Authority Red Line Extension - SYSTRA USA, consulting and engineering firm, world leader in public transport infrastructure engineering.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.systra.com\/usa\/project\/cta-red-and-purple-modernization-program-2\/\" \/>\n<meta property=\"og:site_name\" content=\"USA\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-17T14:24:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.systra.com\/usa\/wp-content\/uploads\/sites\/6\/2024\/08\/istock-889547640-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1707\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.systra.com\\\/usa\\\/project\\\/cta-red-and-purple-modernization-program-2\\\/\",\"url\":\"https:\\\/\\\/www.systra.com\\\/usa\\\/project\\\/cta-red-and-purple-modernization-program-2\\\/\",\"name\":\"Chicago Transit Authority Red Line Extension - SYSTRA USA\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.systra.com\\\/usa\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.systra.com\\\/usa\\\/project\\\/cta-red-and-purple-modernization-program-2\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.systra.com\\\/usa\\\/project\\\/cta-red-and-purple-modernization-program-2\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.systra.com\\\/usa\\\/wp-content\\\/uploads\\\/sites\\\/6\\\/2024\\\/08\\\/istock-889547640-scaled.jpg\",\"datePublished\":\"2025-12-17T14:24:00+00:00\",\"dateModified\":\"2025-12-17T14:24:01+00:00\",\"description\":\"Chicago Transit Authority Red Line Extension - SYSTRA USA, consulting and engineering firm, world leader in public transport infrastructure engineering.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.systra.com\\\/usa\\\/project\\\/cta-red-and-purple-modernization-program-2\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.systra.com\\\/usa\\\/project\\\/cta-red-and-purple-modernization-program-2\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.systra.com\\\/usa\\\/project\\\/cta-red-and-purple-modernization-program-2\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.systra.com\\\/usa\\\/wp-content\\\/uploads\\\/sites\\\/6\\\/2024\\\/08\\\/istock-889547640-scaled.jpg\",\"contentUrl\":\"https:\\\/\\\/www.systra.com\\\/usa\\\/wp-content\\\/uploads\\\/sites\\\/6\\\/2024\\\/08\\\/istock-889547640-scaled.jpg\",\"width\":2560,\"height\":1707},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.systra.com\\\/usa\\\/project\\\/cta-red-and-purple-modernization-program-2\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.systra.com\\\/usa\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Projects\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.systra.com\\\/usa\\\/#website\",\"url\":\"https:\\\/\\\/www.systra.com\\\/usa\\\/\",\"name\":\"USA\",\"description\":\"Un site utilisant Les sites de Systra\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.systra.com\\\/usa\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Chicago Transit Authority Red Line Extension - SYSTRA USA","description":"Chicago Transit Authority Red Line Extension - SYSTRA USA, consulting and engineering firm, world leader in public transport infrastructure engineering.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"fr_FR","og_type":"article","og_title":"Chicago Transit Authority Red Line Extension","og_description":"Chicago Transit Authority Red Line Extension - SYSTRA USA, consulting and engineering firm, world leader in public transport infrastructure engineering.","og_url":"https:\/\/www.systra.com\/usa\/project\/cta-red-and-purple-modernization-program-2\/","og_site_name":"USA","article_modified_time":"2025-12-17T14:24:01+00:00","og_image":[{"width":2560,"height":1707,"url":"https:\/\/www.systra.com\/usa\/wp-content\/uploads\/sites\/6\/2024\/08\/istock-889547640-scaled.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.systra.com\/usa\/project\/cta-red-and-purple-modernization-program-2\/","url":"https:\/\/www.systra.com\/usa\/project\/cta-red-and-purple-modernization-program-2\/","name":"Chicago Transit Authority Red Line Extension - SYSTRA USA","isPartOf":{"@id":"https:\/\/www.systra.com\/usa\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.systra.com\/usa\/project\/cta-red-and-purple-modernization-program-2\/#primaryimage"},"image":{"@id":"https:\/\/www.systra.com\/usa\/project\/cta-red-and-purple-modernization-program-2\/#primaryimage"},"thumbnailUrl":"https:\/\/www.systra.com\/usa\/wp-content\/uploads\/sites\/6\/2024\/08\/istock-889547640-scaled.jpg","datePublished":"2025-12-17T14:24:00+00:00","dateModified":"2025-12-17T14:24:01+00:00","description":"Chicago Transit Authority Red Line Extension - SYSTRA USA, consulting and engineering firm, world leader in public transport infrastructure engineering.","breadcrumb":{"@id":"https:\/\/www.systra.com\/usa\/project\/cta-red-and-purple-modernization-program-2\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.systra.com\/usa\/project\/cta-red-and-purple-modernization-program-2\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.systra.com\/usa\/project\/cta-red-and-purple-modernization-program-2\/#primaryimage","url":"https:\/\/www.systra.com\/usa\/wp-content\/uploads\/sites\/6\/2024\/08\/istock-889547640-scaled.jpg","contentUrl":"https:\/\/www.systra.com\/usa\/wp-content\/uploads\/sites\/6\/2024\/08\/istock-889547640-scaled.jpg","width":2560,"height":1707},{"@type":"BreadcrumbList","@id":"https:\/\/www.systra.com\/usa\/project\/cta-red-and-purple-modernization-program-2\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.systra.com\/usa"},{"@type":"ListItem","position":2,"name":"Projects"}]},{"@type":"WebSite","@id":"https:\/\/www.systra.com\/usa\/#website","url":"https:\/\/www.systra.com\/usa\/","name":"USA","description":"Un site utilisant Les sites de Systra","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.systra.com\/usa\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"}]}},"lang":"en","translations":{"en":28033},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/www.systra.com\/usa\/wp-json\/wp\/v2\/projects\/28033","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.systra.com\/usa\/wp-json\/wp\/v2\/projects"}],"about":[{"href":"https:\/\/www.systra.com\/usa\/wp-json\/wp\/v2\/types\/projects"}],"author":[{"embeddable":true,"href":"https:\/\/www.systra.com\/usa\/wp-json\/wp\/v2\/users\/197"}],"version-history":[{"count":3,"href":"https:\/\/www.systra.com\/usa\/wp-json\/wp\/v2\/projects\/28033\/revisions"}],"predecessor-version":[{"id":40525,"href":"https:\/\/www.systra.com\/usa\/wp-json\/wp\/v2\/projects\/28033\/revisions\/40525"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.systra.com\/usa\/wp-json\/wp\/v2\/media\/6429"}],"wp:attachment":[{"href":"https:\/\/www.systra.com\/usa\/wp-json\/wp\/v2\/media?parent=28033"}],"wp:term":[{"taxonomy":"type-market","embeddable":true,"href":"https:\/\/www.systra.com\/usa\/wp-json\/wp\/v2\/type-market?post=28033"},{"taxonomy":"project-market","embeddable":true,"href":"https:\/\/www.systra.com\/usa\/wp-json\/wp\/v2\/project-market?post=28033"},{"taxonomy":"project-service","embeddable":true,"href":"https:\/\/www.systra.com\/usa\/wp-json\/wp\/v2\/project-service?post=28033"},{"taxonomy":"project-location","embeddable":true,"href":"https:\/\/www.systra.com\/usa\/wp-json\/wp\/v2\/project-location?post=28033"},{"taxonomy":"type-service","embeddable":true,"href":"https:\/\/www.systra.com\/usa\/wp-json\/wp\/v2\/type-service?post=28033"},{"taxonomy":"type-solution","embeddable":true,"href":"https:\/\/www.systra.com\/usa\/wp-json\/wp\/v2\/type-solution?post=28033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}