{"id":6224,"date":"2020-05-06T10:40:42","date_gmt":"2020-05-06T10:40:42","guid":{"rendered":"https:\/\/db-engineering-consulting.com\/dbec_project\/erneuerung-des-elleringhausener-tunnels-im-hochsauerlandkreis-nrw-2\/"},"modified":"2025-05-07T00:22:22","modified_gmt":"2025-05-07T00:22:22","slug":"renovation-elleringhauser-tunnel","status":"publish","type":"dbec_project","link":"https:\/\/db-engineering-consulting.com\/en\/projects\/renovation-elleringhauser-tunnel\/","title":{"rendered":"Renovation of the Elleringhauser Tunnel, Germany"},"content":{"rendered":"\n<div class=\"wp-block-dbec-core-layout-grid  layout-grid layout-grid--outer-margin-large layout-grid--expanded\"><div class=\"grid grid--child-margin-small\">\n<div class=\"wp-block-dbec-core-layout-column  column is-6-small is-6-medium column--expanded\"><div class=\"layout-column\">\n<div class=\"wp-block-dbec-core-header-gallery  undefined--expanded\" data-delay=\"4\" data-auto-swipe=\"false\"><div class=\"gallery gallery--bullets-outside gallery--static\"><div class=\"glide\"><div class=\"glide__track\" data-glide-el=\"track\"><ul class=\"glide__slides\">\n<li class=\"wp-block-dbec-core-slide-header  glide__slide\" data-autoplay=\"false\"><div class=\"slide-header slide-header--banner-height\"><div><img loading=\"lazy\" decoding=\"async\" class=\"slide-header__image\" src=\"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title.png\" srcset=\"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title-150x150.png 150w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title-300x120.png 300w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title-1024x410.png 640w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title-520x208.png 520w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title-768x307.png 640w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title-1280x512.png 640w\" alt=\"Tunnel renovation - Elleringhausen \" width=\"1285\" height=\"514\"\/><div class=\"slide-header__cover\"><\/div><\/div><div class=\"label-reference-container\"><div class=\"label-reference label-reference--static\" data-image-reference=\"DB Engineering &amp; Consulting\"><\/div><\/div><div class=\"slide-header__inner\"><div class=\"slide-header__center\"><div class=\"slide-header__container-headlines\"><\/div><\/div><\/div><\/div><\/li>\n<\/ul><\/div><div class=\"glide__footer\"><div class=\"glide__play-pause\"><button type=\"button\" class=\"glide__play-pause-button\" aria-label=\"play\/pause automatic swipe\"><svg aria-hidden=\"true\" class=\"controls__icon-pause\"><use xlink:href=\"#icon-pause\" \/><\/svg><svg aria-hidden=\"true\" class=\"controls__icon-play\"><use xlink:href=\"#icon-play-small\" \/><\/svg><\/button><\/div><div class=\"glide__bullets\" data-glide-el=\"controls[nav]\"><button class=\"glide__bullet\" aria-label=\"Go to slide 1\" data-glide-dir=\"=0\"><\/button><\/div><div><\/div><\/div><\/div><\/div><\/div>\n\n\n<nav class=\"breadcrumbs\"><div class=\"breadcrumbs__inner\"><a class=\"breadcrumbs__home\" href=\"https:\/\/db-engineering-consulting.com\/en\/\" aria-label=\"Link Home\"><svg class=\"breadcrumbs__home-icon\"><use xlink:href=\"#home\"><\/use><\/svg><\/a> <svg class=\"breadcrumbs__delimiter\"><use xlink:href=\"#icon-arrow-right\"><\/use><\/svg> <a data-is-distributor=\"true\" href=\"https:\/\/db-engineering-consulting.com\/en\/projects\/\">Projects<\/a> <svg class=\"breadcrumbs__delimiter\"><use xlink:href=\"#icon-arrow-right\"><\/use><\/svg><span class=\"breadcrumbs__actual-page\">Renovation of the Elleringhauser Tunnel, Germany<\/span><\/div><\/nav><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-dbec-core-layout-grid  layout-grid layout-grid--outer-margin-small layout-grid--expanded\"><div class=\"grid grid--child-margin-small\">\n<div class=\"wp-block-dbec-core-layout-column  column is-6-small is-3-medium column--expanded\"><div class=\"layout-column\"><div class=\"wp-block-dbec-core-social-sharing\"><div class=\"social-sharing\" data-subject=\"Here is an article for you: [TITLE]\" data-recipient=\"mail recipient en\" data-body=\"Here is an article by DB Engineering &#038; Consulting for you: [TITLE] at [LINK]\"><span class=\"social-sharing__label\">Share<\/span><div class=\"social-sharing__links\"><a class=\"social-sharing__link social-sharing__link--linkedin\" href=\"\/\" target=\"_blank\" rel=\"noopener noreferrer\" aria-label=\"Link LinkedIn\"><svg class=\"social-sharing__icon\"><use xlink:href=\"#icon-linked-in\"\/><\/svg><\/a><a class=\"social-sharing__link social-sharing__link--mail\" href=\"\/\" target=\"_blank\" rel=\"noopener noreferrer\" aria-label=\"Link Mail\"><svg class=\"social-sharing__icon\"><use xlink:href=\"#icon-mail\"\/><\/svg><\/a><\/div><\/div><\/div>\n\n\n<div class=\"wp-block-dbec-core-figure\"><figure class=\"figure\"><div class=\"figure__inner\"><img decoding=\"async\" class=\"figure__image\" src=\"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/RIMG0675.jpg\" srcset=\"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/RIMG0675-150x150.jpg 150w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/RIMG0675-300x225.jpg 300w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/RIMG0675-1024x768.jpg 640w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/RIMG0675-520x390.jpg 520w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/RIMG0675-768x576.jpg 640w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/RIMG0675-1280x960.jpg 640w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/RIMG0675-1920x700.jpg 640w\" alt=\"Tunnel renovation - Elleringhausen - Tunnel\" width=\"2048\" height=\"1536\" loading=\"lazy\" sizes=\"auto, (min-width: 1330px) calc(((1200px - 35px * 5) * (3 \/ 6)) + (35px * (3 - 1))), (min-width: 768px) calc((((100vw - 130px) - 35px * 5) * (3 \/ 6)) + (35px * (3 - 1))), calc(100vw - 60px)\"\/><div class=\"enlarge-image\"><template data-name=\"lightbox-content\"><div class=\"lightbox-image\"><div class=\"lightbox-image__image\" style=\"background-image:url(&quot;https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/RIMG0675.jpg&quot;)\"><\/div><\/div><\/template><\/div><div class=\"label-reference\" data-image-reference=\"DB Engineering &amp; Consulting\"><\/div><\/div><\/figure><\/div>\n\n\n\n<div class=\"wp-block-dbec-core-figure\"><figure class=\"figure\"><div class=\"figure__inner\"><img decoding=\"async\" class=\"figure__image\" src=\"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Ostp_Rettungsplatz_05-scaled.jpg\" srcset=\"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Ostp_Rettungsplatz_05-150x150.jpg 150w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Ostp_Rettungsplatz_05-300x200.jpg 300w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Ostp_Rettungsplatz_05-1024x683.jpg 640w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Ostp_Rettungsplatz_05-520x347.jpg 520w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Ostp_Rettungsplatz_05-768x512.jpg 640w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Ostp_Rettungsplatz_05-1280x853.jpg 640w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Ostp_Rettungsplatz_05-1920x700.jpg 640w\" alt=\"Tunnel renovation - Elleringhausen - tunnel entry\" width=\"2560\" height=\"1706\" loading=\"lazy\" sizes=\"auto, (min-width: 1330px) calc(((1200px - 35px * 5) * (3 \/ 6)) + (35px * (3 - 1))), (min-width: 768px) calc((((100vw - 130px) - 35px * 5) * (3 \/ 6)) + (35px * (3 - 1))), calc(100vw - 60px)\"\/><div class=\"enlarge-image\"><template data-name=\"lightbox-content\"><div class=\"lightbox-image\"><div class=\"lightbox-image__image\" style=\"background-image:url(&quot;https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Ostp_Rettungsplatz_05-scaled.jpg&quot;)\"><\/div><\/div><\/template><\/div><div class=\"label-reference\" data-image-reference=\"DB Engineering &amp; Consulting\"><\/div><\/div><\/figure><\/div>\n\n\n\n<div class=\"wp-block-dbec-core-figure\"><figure class=\"figure\"><div class=\"figure__inner\"><img decoding=\"async\" class=\"figure__image\" src=\"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/20170505_105633-scaled.jpg\" srcset=\"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/20170505_105633-150x150.jpg 150w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/20170505_105633-300x169.jpg 300w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/20170505_105633-1024x576.jpg 640w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/20170505_105633-520x293.jpg 520w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/20170505_105633-768x432.jpg 640w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/20170505_105633-1280x720.jpg 640w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/20170505_105633-1920x700.jpg 640w\" alt=\"Tunnel renovation - Elleringhausen - Tunnel from the inside\" width=\"2560\" height=\"1440\" loading=\"lazy\" sizes=\"auto, (min-width: 1330px) calc(((1200px - 35px * 5) * (3 \/ 6)) + (35px * (3 - 1))), (min-width: 768px) calc((((100vw - 130px) - 35px * 5) * (3 \/ 6)) + (35px * (3 - 1))), calc(100vw - 60px)\"\/><div class=\"enlarge-image\"><template data-name=\"lightbox-content\"><div class=\"lightbox-image\"><div class=\"lightbox-image__image\" style=\"background-image:url(&quot;https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/20170505_105633-scaled.jpg&quot;)\"><\/div><\/div><\/template><\/div><div class=\"label-reference\" data-image-reference=\"DB Engineering &amp; Consulting\"><\/div><\/div><\/figure><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-dbec-core-layout-column  column is-6-small is-3-medium column--expanded\"><div class=\"layout-column\">\n<div class=\"wp-block-dbec-core-layout-text  wp-block-dbec-core-layout-text--expanded\"><div class=\"layout-column layout-column--text\"><div class=\"article-header\"><h1 class=\"article-header__headline\">Renovation of the Elleringhauser Tunnel, Germany<\/h1><\/div>\n\n\n<p>The Elleringhauser Tunnel is located in the Hochsauerland district (NRW) of Germany between Olsberg and Brilon Wald stations on the unelectrified double-track line connecting the cities of Aachen and Kassel. Constructed in 1872, the 1,391-meter-long tunnel has two tracks whose center lines are less than 3.5&nbsp;m apart, so trains traveling in opposite directions are prohibited from passing each other in the tunnel. The condition of the tunnel necessitates its renovation, which will involve converting it to a single track. However, the volume of passenger and freight traffic on this rail corridor rules out a conventional solution, which would involve completely closing the line for around a year and a half.&nbsp;<\/p>\n\n\n\n<p>The plan to renew the tunnel is based on a modified tunnel-in-tunnel (TiT) method. This construction system involves the use of a movable, weight-bearing inner shell to renovate the tunnel. Rail operations can continue during construction because the shell provides protection for trains. In this special case, the track will be moved to the tunnel&#8217;s centerline to free up space to build the shell. This is the first time a solution using the tunnel-in-tunnel method has been designed for such a confined space (two tracks with center lines less than 3.5&nbsp;m apart). A particular challenge of this restoration is ensuring there is sufficient room to work between the inner shell and the tunnel arch, especially to allow for materials to be moved in and out as work proceeds.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-dbec-core-layout-text  wp-block-dbec-core-layout-text--expanded\"><div class=\"layout-column layout-column--text\">\n<h2 class=\"wp-block-heading headline-h3\">Scope of services<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Site <a href=\"https:\/\/db-engineering-consulting.com\/en\/productportfolio\/design\/\" target=\"_blank\" rel=\"noreferrer noopener\">design<\/a> for engineering structures and transportation facilities<br>Basic evaluation, preliminary design, final design and planning for building permit application<\/li>\n\n\n\n<li>Technical design for supporting structure planning<br>Preliminary design and final design<\/li>\n\n\n\n<li><a href=\"https:\/\/db-engineering-consulting.com\/en\/productportfolio\/design\/#environmental-planning\" target=\"_blank\" rel=\"noreferrer noopener\">Environmental planning<\/a> and environmental impact mitigation planning<\/li>\n\n\n\n<li>Geotechnical report; brownfield land; and construction and demolition waste usage and disposal plan<\/li>\n\n\n\n<li><a href=\"https:\/\/db-engineering-consulting.com\/en\/productportfolio\/environmental-and-geo-services\/\" target=\"_blank\" rel=\"noreferrer noopener\">Coordinating surveying services<\/a> (land surveying and tunnel scan)<\/li>\n\n\n\n<li>Construction phase planning<\/li>\n\n\n\n<li>Construction operations planning and preparing construction logistics<\/li>\n\n\n\n<li>Planning coordination of occupational health and safety measures<\/li>\n\n\n\n<li>Preparing a safety and rescue plan<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-dbec-core-layout-grid  layout-grid layout-grid--outer-margin-small layout-grid--expanded\"><div class=\"grid grid--child-margin-small\">\n<div class=\"wp-block-dbec-core-layout-column  column is-6-small is-6-medium column--expanded\"><div class=\"layout-column\">\n<div class=\"wp-block-dbec-core-text-image-teaser  text-image-teaser--align-image-right\"><div class=\"text-image-teaser text-image-teaser--align-image-right text-image-teaser--fade-in-static\"><div class=\"grid\"><div class=\"column is-6-small is-4-medium text-image-teaser__column-image\"><div class=\"text-image-teaser__wrapper-media\"><div class=\"wp-block-dbec-core-youtube-embed\"><div class=\"youtube-embed\"><db-youtube headline=\"We need your consent to load YouTube!\" description=\"If you click on this video, you will be shown external content from YouTube (www.youtube.com). What data is processed by YouTube is beyond our knowledge and influence. You can find more information in our &lt;a href=&quot;\/en\/privacy-policy\/&quot; target=&quot;_blank&quot;&gt;Privacy policy&lt;\/a&gt;.\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/Q4ry2kXlTp4?modestbranding=1&#038;showinfo=0&#038;rel=0\" label-accept=\"Accept\" allow=\"fullscreen\"><\/<db-youtube><\/div><\/div><\/div><\/div><div class=\"column is-6-small is-2-medium text-image-teaser__column-text\"><div class=\"text-image-teaser__container-text\"><h2 class=\"text-image-teaser__headline\">We love tunnels<\/h2><p class=\"text-image-teaser__copy\">We are a premium partner, when it comes to the implementation of mega tunnel projects, particularly in the rail infrastructure sector. Learn more from our experts in geotechnics, planning, project management, and construction supervision!<\/p><\/div><\/div><\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-dbec-core-layout-grid  layout-grid layout-grid--outer-margin-large layout-grid--expanded\"><div class=\"grid grid--child-margin-small\">\n<div class=\"wp-block-dbec-core-layout-column  column is-6-small is-6-medium column--expanded\"><div class=\"layout-column\">\n<div class=\"wp-block-dbec-core-layout-linked-items  wp-block-dbec-core-layout-linked-items--expanded\"><section class=\"layout-linked-items\"><div class=\"layout-linked-items__header\"><div class=\"grid\"><div class=\"column is-6-small is-3-medium\"><h2 class=\"layout-linked-items__headline\">Further projects<\/h2><\/div><div class=\"column is-6-small is-3-medium\"><div class=\"layout-linked-items__wrapper-link layout-linked-items__wrapper-link--top\"><a class=\"layout-linked-items__link\" href=\"https:\/\/db-engineering-consulting.com\/en\/projects\/\" target=\"_self\" rel=\"noopener noreferrer\">Back to overview page<\/a><\/div><\/div><\/div><\/div><div class=\"layout-linked-items__inner\"><div class=\"related-posts\"><div class=\"related-posts__post\"><a class=\"base-card\" href=\"https:\/\/db-engineering-consulting.com\/en\/projects\/reconstruction-of-duisburg-main-station\/\"><figure class=\"base-card__figure\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"392\" src=\"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2025\/01\/reconstruction_duisburg_main_station_2-e1737036134189-768x392.jpg\" class=\"base-card__image wp-post-image\" alt=\"Exterior view of the track hall and blue sky in the background\" sizes=\"auto, (min-width: 1330px) calc(((1200px - 35px * 5) * (2 \/ 6)) + (35px * (2 - 1))), (min-width: 1024px) calc((((100vw - 130px) - 35px * 5) * (2 \/ 6)) + (35px * (2 - 1))), (min-width: 768px) calc((((100vw - 130px) - 35px * 5) * (3 \/ 6)) + (35px * (3 - 1))), calc(100vw - 60px)\" srcset=\"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2025\/01\/reconstruction_duisburg_main_station_2-e1737036134189-768x392.jpg 768w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2025\/01\/reconstruction_duisburg_main_station_2-e1737036134189-300x153.jpg 300w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2025\/01\/reconstruction_duisburg_main_station_2-e1737036134189-1024x522.jpg 1024w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2025\/01\/reconstruction_duisburg_main_station_2-e1737036134189-1536x783.jpg 1536w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2025\/01\/reconstruction_duisburg_main_station_2-e1737036134189-520x265.jpg 520w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2025\/01\/reconstruction_duisburg_main_station_2-e1737036134189-1280x653.jpg 1280w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2025\/01\/reconstruction_duisburg_main_station_2-e1737036134189.jpg 1747w\" \/><div class=\"label-reference\" data-image-reference=\"Deutsche Bahn AG \/ Axel Hartmann Fotografie\"><\/div><\/figure><h3 class=\"base-card__title\">Reconstruction of Duisburg main station\u00a0<\/h3><div class=\"base-card__date\">Germany<\/div><\/a><\/div><div class=\"related-posts__post\"><a class=\"base-card\" href=\"https:\/\/db-engineering-consulting.com\/en\/projects\/feasibility-study-india-for-high-speed-transport\/\"><figure class=\"base-card__figure\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"513\" src=\"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/04\/DSC_0804.jpg\" class=\"base-card__image wp-post-image\" alt=\"High speed transport - Feasibility study - India\" sizes=\"auto, (min-width: 1330px) calc(((1200px - 35px * 5) * (2 \/ 6)) + (35px * (2 - 1))), (min-width: 1024px) calc((((100vw - 130px) - 35px * 5) * (2 \/ 6)) + (35px * (2 - 1))), (min-width: 768px) calc((((100vw - 130px) - 35px * 5) * (3 \/ 6)) + (35px * (3 - 1))), calc(100vw - 60px)\" \/><div class=\"label-reference\" data-image-reference=\"Simon Giovanazzi\"><\/div><\/figure><h3 class=\"base-card__title\">Feasibility study for high speed transport, India<\/h3><div class=\"base-card__date\">Asia<\/div><\/a><\/div><div class=\"related-posts__post\"><a class=\"base-card\" href=\"https:\/\/db-engineering-consulting.com\/en\/projects\/line-upgrade-on-core-route-of-cologne-s-bahn-s11\/\"><figure class=\"base-card__figure\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"316\" src=\"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2021\/02\/2-koln-hohenzollernbrucke_max-lautenschlager-768x316.jpg\" class=\"base-card__image wp-post-image\" alt=\"S-Bahn K\u00f6ln - Panorama\" sizes=\"auto, (min-width: 1330px) calc(((1200px - 35px * 5) * (2 \/ 6)) + (35px * (2 - 1))), (min-width: 1024px) calc((((100vw - 130px) - 35px * 5) * (2 \/ 6)) + (35px * (2 - 1))), (min-width: 768px) calc((((100vw - 130px) - 35px * 5) * (3 \/ 6)) + (35px * (3 - 1))), calc(100vw - 60px)\" srcset=\"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2021\/02\/2-koln-hohenzollernbrucke_max-lautenschlager-768x316.jpg 768w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2021\/02\/2-koln-hohenzollernbrucke_max-lautenschlager-300x123.jpg 300w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2021\/02\/2-koln-hohenzollernbrucke_max-lautenschlager-1024x421.jpg 1024w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2021\/02\/2-koln-hohenzollernbrucke_max-lautenschlager-520x214.jpg 520w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2021\/02\/2-koln-hohenzollernbrucke_max-lautenschlager.jpg 1225w\" \/><div class=\"label-reference\" data-image-reference=\"Max Lautenschl\u00e4ger\"><\/div><\/figure><h3 class=\"base-card__title\">Line upgrade on core route of Cologne S-Bahn (S11), Germany<\/h3><div class=\"base-card__date\">Deutschland<\/div><\/a><\/div><\/div><\/div><div class=\"layout-linked-items__wrapper-link layout-linked-items__wrapper-link--bottom\"><a class=\"layout-linked-items__link\" href=\"https:\/\/db-engineering-consulting.com\/en\/projects\/\" target=\"_self\" rel=\"noopener noreferrer\">Back to overview page<\/a><\/div><\/section><\/div>\n<\/div><\/div>\n<\/div><\/div>\n","protected":false},"featured_media":2539,"template":"","meta":{"post_allow-other-domains":""},"dbec_region":[35,79],"dbec_issue":[47,49,48,50],"dbec_product":[40,45],"class_list":["post-6224","dbec_project","type-dbec_project","status-publish","has-post-thumbnail","hentry","dbec_region-europe","dbec_region-germany","dbec_issue-freight-transport","dbec_issue-long-distance-transport","dbec_issue-passenger-transport","dbec_issue-regional-and-local-transport","dbec_product-design","dbec_product-environment-and-geo-services"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.0 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Tunnel renovation in Elleringhausen, Germany | DB E&amp;C<\/title>\n<meta name=\"description\" content=\"The tunnel renovation of the 1872 underpass between Olsberg and Brilon Wald in Western Germany will ensure a high safety standard. Read more!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/db-engineering-consulting.com\/en\/projects\/renovation-elleringhauser-tunnel\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Renovation of the Elleringhauser Tunnel, Germany\" \/>\n<meta property=\"og:description\" content=\"The tunnel renovation of the 1872 underpass between Olsberg and Brilon Wald in Western Germany will ensure a high safety standard. Read more!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/db-engineering-consulting.com\/en\/projects\/renovation-elleringhauser-tunnel\/\" \/>\n<meta property=\"og:site_name\" content=\"DB Engineering &amp; Consulting\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-07T00:22:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1285\" \/>\n\t<meta property=\"og:image:height\" content=\"514\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/projects\\\/renovation-elleringhauser-tunnel\\\/\",\"url\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/projects\\\/renovation-elleringhauser-tunnel\\\/\",\"name\":\"Tunnel renovation in Elleringhausen, Germany | DB E&C\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/projects\\\/renovation-elleringhauser-tunnel\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/projects\\\/renovation-elleringhauser-tunnel\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/db-engineering-consulting.com\\\/wp-content\\\/uploads\\\/2020\\\/05\\\/Elleringhs_Tunnel_title.png\",\"datePublished\":\"2020-05-06T10:40:42+00:00\",\"dateModified\":\"2025-05-07T00:22:22+00:00\",\"description\":\"The tunnel renovation of the 1872 underpass between Olsberg and Brilon Wald in Western Germany will ensure a high safety standard. Read more!\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/projects\\\/renovation-elleringhauser-tunnel\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/projects\\\/renovation-elleringhauser-tunnel\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/projects\\\/renovation-elleringhauser-tunnel\\\/#primaryimage\",\"url\":\"https:\\\/\\\/db-engineering-consulting.com\\\/wp-content\\\/uploads\\\/2020\\\/05\\\/Elleringhs_Tunnel_title.png\",\"contentUrl\":\"https:\\\/\\\/db-engineering-consulting.com\\\/wp-content\\\/uploads\\\/2020\\\/05\\\/Elleringhs_Tunnel_title.png\",\"width\":1285,\"height\":514,\"caption\":\"DB Engineering & Consulting\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/projects\\\/renovation-elleringhauser-tunnel\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Renovation of the Elleringhauser Tunnel, Germany\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/\",\"name\":\"DB Engineering & Consulting\",\"description\":\"Part of DB E.C.O. Group\",\"publisher\":{\"@id\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/#organization\",\"name\":\"DB Engineering & Consulting GmbH\",\"url\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/db-engineering-consulting.com\\\/wp-content\\\/uploads\\\/2022\\\/10\\\/Logo_DB-EC-Part-of-ECO-Group-scaled.jpg\",\"contentUrl\":\"https:\\\/\\\/db-engineering-consulting.com\\\/wp-content\\\/uploads\\\/2022\\\/10\\\/Logo_DB-EC-Part-of-ECO-Group-scaled.jpg\",\"width\":2560,\"height\":454,\"caption\":\"DB Engineering & Consulting GmbH\"},\"image\":{\"@id\":\"https:\\\/\\\/db-engineering-consulting.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/company\\\/db-engineering-consulting\\\/\"],\"description\":\"DB Engineering & Consulting ist als Teil des integrierten Bahn-, Mobilit\u00e4ts- und Logistikkonzerns Deutsche Bahn in der Lage, das technische und betriebliche Fachwissen der DB national und international bereitzustellen. Das Unternehmen plant und realisiert komplexe, anforderungsgerechte Infrastruktur-, Mobilit\u00e4ts- und Transportl\u00f6sungen. Dabei stehen nachhaltige Konzepte im Fokus, die zur wirtschaftlichen Entwicklung von Regionen, zum Umweltschutz sowie zur Weiterentwicklung zukunftsf\u00e4higer Mobilit\u00e4t beitragen. Seit 1966 ist DB Engineering & Consulting in \u00fcber 100 L\u00e4ndern t\u00e4tig und hat Projekte in unterschiedlichsten Gr\u00f6\u00dfenordnungen umgesetzt. Mit mehr als 6.100 Mitarbeitenden aus 89 Nationen bringt das Unternehmen fachliche Kompetenz und interkulturelle Erfahrung in s\u00e4mtliche Projektphasen ein.\",\"email\":\"db-engineering-consulting@db-eco.com\",\"legalName\":\"DB Engineering & Consulting GmbH\",\"foundingDate\":\"1966-05-26\",\"vatID\":\"DE 114 139 523\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":\"5001\",\"maxValue\":\"10000\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Tunnel renovation in Elleringhausen, Germany | DB E&C","description":"The tunnel renovation of the 1872 underpass between Olsberg and Brilon Wald in Western Germany will ensure a high safety standard. Read more!","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/db-engineering-consulting.com\/en\/projects\/renovation-elleringhauser-tunnel\/","og_locale":"en_US","og_type":"article","og_title":"Renovation of the Elleringhauser Tunnel, Germany","og_description":"The tunnel renovation of the 1872 underpass between Olsberg and Brilon Wald in Western Germany will ensure a high safety standard. Read more!","og_url":"https:\/\/db-engineering-consulting.com\/en\/projects\/renovation-elleringhauser-tunnel\/","og_site_name":"DB Engineering &amp; Consulting","article_modified_time":"2025-05-07T00:22:22+00:00","og_image":[{"width":1285,"height":514,"url":"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/db-engineering-consulting.com\/en\/projects\/renovation-elleringhauser-tunnel\/","url":"https:\/\/db-engineering-consulting.com\/en\/projects\/renovation-elleringhauser-tunnel\/","name":"Tunnel renovation in Elleringhausen, Germany | DB E&C","isPartOf":{"@id":"https:\/\/db-engineering-consulting.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/db-engineering-consulting.com\/en\/projects\/renovation-elleringhauser-tunnel\/#primaryimage"},"image":{"@id":"https:\/\/db-engineering-consulting.com\/en\/projects\/renovation-elleringhauser-tunnel\/#primaryimage"},"thumbnailUrl":"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title.png","datePublished":"2020-05-06T10:40:42+00:00","dateModified":"2025-05-07T00:22:22+00:00","description":"The tunnel renovation of the 1872 underpass between Olsberg and Brilon Wald in Western Germany will ensure a high safety standard. Read more!","breadcrumb":{"@id":"https:\/\/db-engineering-consulting.com\/en\/projects\/renovation-elleringhauser-tunnel\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/db-engineering-consulting.com\/en\/projects\/renovation-elleringhauser-tunnel\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/db-engineering-consulting.com\/en\/projects\/renovation-elleringhauser-tunnel\/#primaryimage","url":"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title.png","contentUrl":"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title.png","width":1285,"height":514,"caption":"DB Engineering & Consulting"},{"@type":"BreadcrumbList","@id":"https:\/\/db-engineering-consulting.com\/en\/projects\/renovation-elleringhauser-tunnel\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/db-engineering-consulting.com\/en\/"},{"@type":"ListItem","position":2,"name":"Renovation of the Elleringhauser Tunnel, Germany"}]},{"@type":"WebSite","@id":"https:\/\/db-engineering-consulting.com\/en\/#website","url":"https:\/\/db-engineering-consulting.com\/en\/","name":"DB Engineering & Consulting","description":"Part of DB E.C.O. Group","publisher":{"@id":"https:\/\/db-engineering-consulting.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/db-engineering-consulting.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/db-engineering-consulting.com\/en\/#organization","name":"DB Engineering & Consulting GmbH","url":"https:\/\/db-engineering-consulting.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/db-engineering-consulting.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2022\/10\/Logo_DB-EC-Part-of-ECO-Group-scaled.jpg","contentUrl":"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2022\/10\/Logo_DB-EC-Part-of-ECO-Group-scaled.jpg","width":2560,"height":454,"caption":"DB Engineering & Consulting GmbH"},"image":{"@id":"https:\/\/db-engineering-consulting.com\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.linkedin.com\/company\/db-engineering-consulting\/"],"description":"DB Engineering & Consulting ist als Teil des integrierten Bahn-, Mobilit\u00e4ts- und Logistikkonzerns Deutsche Bahn in der Lage, das technische und betriebliche Fachwissen der DB national und international bereitzustellen. Das Unternehmen plant und realisiert komplexe, anforderungsgerechte Infrastruktur-, Mobilit\u00e4ts- und Transportl\u00f6sungen. Dabei stehen nachhaltige Konzepte im Fokus, die zur wirtschaftlichen Entwicklung von Regionen, zum Umweltschutz sowie zur Weiterentwicklung zukunftsf\u00e4higer Mobilit\u00e4t beitragen. Seit 1966 ist DB Engineering & Consulting in \u00fcber 100 L\u00e4ndern t\u00e4tig und hat Projekte in unterschiedlichsten Gr\u00f6\u00dfenordnungen umgesetzt. Mit mehr als 6.100 Mitarbeitenden aus 89 Nationen bringt das Unternehmen fachliche Kompetenz und interkulturelle Erfahrung in s\u00e4mtliche Projektphasen ein.","email":"db-engineering-consulting@db-eco.com","legalName":"DB Engineering & Consulting GmbH","foundingDate":"1966-05-26","vatID":"DE 114 139 523","numberOfEmployees":{"@type":"QuantitativeValue","minValue":"5001","maxValue":"10000"}}]}},"dbec_featured_media":{"source_url":"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title-300x120.png","source_set":"https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title-300x120.png 300w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title-1024x410.png 1024w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title-768x307.png 768w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title-520x208.png 520w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title-1280x512.png 1280w, https:\/\/db-engineering-consulting.com\/wp-content\/uploads\/2020\/05\/Elleringhs_Tunnel_title.png 1285w","caption":"DB Engineering & Consulting","alt":"Tunnel renovation - Elleringhausen"},"dbec_terms_region":[{"term_id":35,"name":"Europe","slug":"europe","term_group":0,"term_taxonomy_id":35,"taxonomy":"dbec_region","description":"","parent":0,"count":56,"filter":"raw"},{"term_id":79,"name":"Germany","slug":"germany","term_group":0,"term_taxonomy_id":79,"taxonomy":"dbec_region","description":"","parent":0,"count":66,"filter":"raw"}],"post_views":10352,"_links":{"self":[{"href":"https:\/\/db-engineering-consulting.com\/en\/wp-json\/wp\/v2\/dbec_project\/6224","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/db-engineering-consulting.com\/en\/wp-json\/wp\/v2\/dbec_project"}],"about":[{"href":"https:\/\/db-engineering-consulting.com\/en\/wp-json\/wp\/v2\/types\/dbec_project"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/db-engineering-consulting.com\/en\/wp-json\/wp\/v2\/media\/2539"}],"wp:attachment":[{"href":"https:\/\/db-engineering-consulting.com\/en\/wp-json\/wp\/v2\/media?parent=6224"}],"wp:term":[{"taxonomy":"dbec_region","embeddable":true,"href":"https:\/\/db-engineering-consulting.com\/en\/wp-json\/wp\/v2\/dbec_region?post=6224"},{"taxonomy":"dbec_issue","embeddable":true,"href":"https:\/\/db-engineering-consulting.com\/en\/wp-json\/wp\/v2\/dbec_issue?post=6224"},{"taxonomy":"dbec_product","embeddable":true,"href":"https:\/\/db-engineering-consulting.com\/en\/wp-json\/wp\/v2\/dbec_product?post=6224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}